10 Best Reusable Parchment Paper For Baking: Bake Smart & Easy

Looking for the best reusable parchment paper for baking? Discover eco-friendly, non-stick baking mats that offer hassle-free cleanup, durability, and perfect results every time—no more wasted paper or messy kitchens!

Baking just got easier with reusable parchment paper. Say goodbye to messy cleanups and wasted paper. These eco-friendly options save time and money.

Reusable baking mats and sheets are non-stick, heat-resistant, and easy to clean. They’re perfect for cookies, bread, and more. Discover the best options to make your kitchen tasks a breeze.

List of Top 10 Reusable Parchment Paper For Baking

Image Title Best For Price
Zulay Kitchen Silicone Baking Mat Set – 2-Pack 16.5″ × 11.6″ Reusable Non-Stick Silicone Baking Sheets, Food-Safe, Heat-Resistant up to 250°F – Perfect for Cookies, Pastries & Oven Use (Dark Gray) Zulay Kitchen Silicone Baking Mat Set – 2-Pack 16.5″ × 11.6″ Reusable Non-Stick Silicone Baking Sheets, Food-Safe, Heat-Resistant up to 250°F – Perfect for Cookies, Pastries & Oven Use (Dark Gray)

Perfect for home bakers who want professional results without hassle. These mats suit busy kitchens, offering a non-stick surface and easy cleanup for cookies, pastries, and more.

Silicone Baking Mat, 3 Pack Reusable Baking Sheet, Non-Stick & Food Safe Silicone Mats for Baking for Making Cookies Macaroons Bread, Baking Supplies & Accessories Silicone Baking Mat, 3 Pack Reusable Baking Sheet, Non-Stick & Food Safe Silicone Mats for Baking for Making Cookies Macaroons Bread, Baking Supplies & Accessories

This product is perfect for home bakers who want non-stick, durable baking sheets. Great for cookies, macaroons, bread, and more—no greasing or parchment paper needed. Food-safe silicone handles high heat, and easy cleanup saves time.

Luckyiren 2-Pack Silicone Baking Mats – Non-Stick Reusable BPA-Free Oven Liners, 100% Food-Grade Silicone, Fit Half Sheet Pans (16.54 Luckyiren 2-Pack Silicone Baking Mats – Non-Stick Reusable BPA-Free Oven Liners, 100% Food-Grade Silicone, Fit Half Sheet Pans (16.54″ x 11.62″) for Cookies, Pastry & More

Home bakers and busy cooks love these mats. They make baking cookies, pastries, or roasting veggies easy. The non-stick surface saves time, and no parchment paper is needed. Perfect for those who want quick cleanup and eco-friendly kitchen tools.

3 Pack PTFE Teflon Sheet for Heat Press Transfer Sheet Non Stick 16 x 20 Heat Transfer Paper Reusable Heat Resistant Craft Mat 3 Pack PTFE Teflon Sheet for Heat Press Transfer Sheet Non Stick 16 x 20 Heat Transfer Paper Reusable Heat Resistant Craft Mat

This 3 Pack PTFE Teflon Sheet is perfect for crafters, bakers, and DIY lovers. It’s great for heat press projects, baking, and ironing.

Regency Wraps Reusable Cookie Sheets, Baking Oven Liner, Teflon-like Coated Sheet for Non-Stick Cooking and Baking, Baking Supplies, Natural, 17 Regency Wraps Reusable Cookie Sheets, Baking Oven Liner, Teflon-like Coated Sheet for Non-Stick Cooking and Baking, Baking Supplies, Natural, 17″ x 13″ (Pack of 1)

This non-stick baking sheet is perfect for anyone who loves to bake and wants to save time on cleanup. It’s great for families, busy cooks, or baking enthusiasts who enjoy making cookies, pizza, or sticky treats without the mess.

Navaris 3x Reusable Baking Sheets - 13 Navaris 3x Reusable Baking Sheets – 13″x16″ (33x40cm) Parchment Paper for Baking Oven – Durable Non-Stick PTFE Teflon Sheet Baking Mats – Reversible Baking Tray – Set of 3 Pieces

This product is perfect for home bakers and anyone who loves to cook. The reusable baking sheets make it easy to prepare your favorite meals without the mess. They are also great for those who want to save money and help the environment by reducing waste. Enjoy baking with these non-stick mats!

King Arthur, Pre-Cut Natural & Unbleached Baking Parchment Paper, Heavy Duty, Nonstick, Reusable, Resealable Pack, Fits 18 King Arthur, Pre-Cut Natural & Unbleached Baking Parchment Paper, Heavy Duty, Nonstick, Reusable, Resealable Pack, Fits 18″ X 13″ Pan, 100 Count

This baking parchment paper is perfect for home bakers and cooking enthusiasts. It makes baking easier and helps with clean-up. You can use it for cookies, breads, and even roasting vegetables. Its heavy-duty design means you can reuse it multiple times. Enjoy great results with every bake!

Silicone Baking Mat, Baking Sheets Non Stick, Silicone Mats for Baking, 3 Pcs for Cookies, Bread and Pastry, Baking Supplies for Oven, Grey Silicone Baking Mat, Baking Sheets Non Stick, Silicone Mats for Baking, 3 Pcs for Cookies, Bread and Pastry, Baking Supplies for Oven, Grey

This silicone baking mat set is perfect for anyone who loves to bake! Whether you’re a beginner or an experienced chef, these mats make baking easy and fun. They are great for making cookies, bread, and pastries without the mess. Enjoy hassle-free cleanup and storage too!

Silicone Baking Mat, 12 IN x 6 FT Free Cutting Baking Sheet,Non-Stick Reusable Dough & Pastry Mat,Non-Slip Silicone Mat Roll for Air Fryer Liner,Freeze Dryer,Oven Baking Pan,Kitchen Counter Silicone Baking Mat, 12 IN x 6 FT Free Cutting Baking Sheet,Non-Stick Reusable Dough & Pastry Mat,Non-Slip Silicone Mat Roll for Air Fryer Liner,Freeze Dryer,Oven Baking Pan,Kitchen Counter

This product is perfect for home cooks and bakers who want a safe, reusable non-stick surface for baking, rolling dough, or protecting countertops. It’s ideal for anyone needing a durable, easy-to-clean mat that works in ovens, freezers, air fryers, and more.

XSSDPDC 3-Pack Non-Stick Silicone Baking Mat, Food Safe Silicone Mats for Baking Cookies and Macarons - Silicone Baking Sheet(Gray) XSSDPDC 3-Pack Non-Stick Silicone Baking Mat, Food Safe Silicone Mats for Baking Cookies and Macarons – Silicone Baking Sheet(Gray)

This product is perfect for bakers of all levels. Whether you are making cookies, macarons, or just kneading dough, these silicone mats will make your tasks easier and cleaner. They are safe, durable, and can be used again and again. You will love how easy it is to bake without the mess!

Detailed Reviews

Finding the best reusable parchment paper for baking can feel overwhelming with so many options. We’ve done the hard work for you, comparing top picks like non-stick silicone mats, heat-resistant PTFE sheets, and eco-friendly liners that cut waste and save money. Each pick is tested for durability, ease of use, and performance, so you can bake with confidence. Whether you need mats for cookies, pastries, or air fryer liners, our guide highlights the smartest choices to match your kitchen needs. Ready to ditch disposable paper for good? Let’s find your perfect match.

1. Zulay Kitchen Silicone Baking Mat Set – 2-Pack 16.5″ × 11.6″ Reusable Non-Stick Silicone Baking Sheets, Food-Safe, Heat-Resistant up to 250°F – Perfect for Cookies, Pastries & Oven Use (Dark Gray)

Zulay Kitchen Silicone Baking Mat Set – 2-Pack 16.5″ × 11.6″ Reusable Non-Stick Silicone Baking Sheets, Food-Safe, Heat-Resistant up to 250°F – Perfect for Cookies, Pastries & Oven Use (Dark Gray)

The Zulay Kitchen Silicone Baking Mat Set includes 2 mats sized 16.5” × 11.6”. They offer a non-stick surface for cookies, pastries, and more. No parchment paper or sprays needed—just place on a baking sheet and go.

Made from food-safe silicone, these mats resist heat up to 250°F. They’re scratch-resistant, BPA-free, and work in ovens, microwaves, and freezers.

Cleanup is easy: wipe with soap or toss in the dishwasher. Mats roll up for simple storage. Backed by a lifetime guarantee, they’re a smart, lasting kitchen tool.

Pros Cons
  • Reusable non-stick surface eliminates need for parchment paper or sprays.
  • Heat-resistant up to 250°F for safe oven, microwave, and freezer use.
  • Food-grade silicone ensures no plastic aftertaste and long-lasting durability.
  • Effortless cleanup with dishwasher-safe design or quick wipe-downs.
  • Lifetime warranty guarantees lasting value and baking confidence.
  • Limited heat resistance (max 250°F)
  • Smaller size may not fit all baking pans
  • May cause uneven browning on some baked goods

Perfect For:

Perfect for home bakers who want professional results without hassle. These mats suit busy kitchens, offering a non-stick surface and easy cleanup for cookies, pastries, and more.

Ready to Purchase?

2. Silicone Baking Mat, 3 Pack Reusable Baking Sheet, Non-Stick & Food Safe Silicone Mats for Baking for Making Cookies Macaroons Bread, Baking Supplies & Accessories

Silicone Baking Mat, 3 Pack Reusable Baking Sheet, Non-Stick & Food Safe Silicone Mats for Baking for Making Cookies Macaroons Bread, Baking Supplies & Accessories

Silicone baking mats are made of food-grade silicone, BPA-free and heat-resistant from -40°F to 500°F. Boil or heat them before first use to remove any new scent. They have a nonstick surface and a 0.7mm thickness for extra durability.

This set includes 2 half-sheet and 1 quarter-sheet mats for cookies, bread, and more. Cleanup is easy: wipe or dishwasher-safe for mess-free baking.

Pros Cons
  • Food-safe, BPA-free silicone withstands extreme temps (-40°F to 500°F)
  • No greasing needed – sticky dough won’t stick
  • Extra durable at 0.7mm thickness
  • Versatile set fits multiple baking needs
  • Dishwasher-safe for effortless cleanup
  • Pre-use heating required to eliminate initial odor.
  • Not suitable for all pan sizes, may not fit perfectly.
  • Odor retention possible after repeated use.

Perfect For:

This product is perfect for home bakers who want non-stick, durable baking sheets. Great for cookies, macaroons, bread, and more—no greasing or parchment paper needed. Food-safe silicone handles high heat, and easy cleanup saves time.

Ready to Purchase?

3. Luckyiren 2-Pack Silicone Baking Mats – Non-Stick Reusable BPA-Free Oven Liners, 100% Food-Grade Silicone, Fit Half Sheet Pans (16.54″ x 11.62″) for Cookies, Pastry & More

Luckyiren 2-Pack Silicone Baking Mats – Non-Stick Reusable BPA-Free Oven Liners, 100% Food-Grade Silicone, Fit Half Sheet Pans (16.54

Luckyiren Silicone Baking Mats are a must-have for any kitchen. They fit half sheet pans perfectly, making baking easy.

These mats are thin and flexible, so they’re simple to store. They’re also non-stick, so food slides off easily. You can use them in the oven, microwave, or freezer.

Cleaning is quick and easy. Just rinse with soap and water. They’re a great and eco-friendly choice for everyday baking.

Pros Cons
  • Fits half sheet pans perfectly for easy baking.
  • Non-stick surface makes cleanup quick and hassle-free.
  • Heat resistant up to 480°F for safe, versatile use.
  • Reusable and eco-friendly, replaces single-use parchment paper.
  • May retain odors after baking very fragrant foods.
  • Not suitable for direct flame or broiling.

Perfect For:

Home bakers and busy cooks love these mats. They make baking cookies, pastries, or roasting veggies easy. The non-stick surface saves time, and no parchment paper is needed. Perfect for those who want quick cleanup and eco-friendly kitchen tools.

Ready to Purchase?

4. 3 Pack PTFE Teflon Sheet for Heat Press Transfer Sheet Non Stick 16 x 20 Heat Transfer Paper Reusable Heat Resistant Craft Mat

3 Pack PTFE Teflon Sheet for Heat Press Transfer Sheet Non Stick 16 x 20 Heat Transfer Paper Reusable Heat Resistant Craft Mat

The 3 Pack PTFE Teflon Sheets are waterproof & washable, making them easy to clean after messy tasks. These sheets are heat resistant up to 600°F and feature a non-stick surface for smooth heat press work.

They are reusable and tear-resistant, built to last through many projects. Perfect for baking, crafting, or ironing. Just cut to any size for custom use.

Pros Cons
  • Waterproof and washable for easy cleanup.
  • Heat resistant up to 600°F protects surfaces.
  • Reusable and tear-resistant for long-lasting use.
  • Versatile in crafts, baking, and ironing.
  • Customizable size fits any project needs.
  • Not for direct food contact, only as oven liner.
  • May shrink slightly at high temperatures over 600°F.
  • Edges can curl after repeated use, but still functional.

Perfect For:

This 3 Pack PTFE Teflon Sheet is perfect for crafters, bakers, and DIY lovers. It’s great for heat press projects, baking, and ironing.

Ready to Purchase?

5. Regency Wraps Reusable Cookie Sheets, Baking Oven Liner, Teflon-like Coated Sheet for Non-Stick Cooking and Baking, Baking Supplies, Natural, 17″ x 13″ (Pack of 1)

Regency Wraps Reusable Cookie Sheets, Baking Oven Liner, Teflon-like Coated Sheet for Non-Stick Cooking and Baking, Baking Supplies, Natural, 17

Regency Wraps Reusable Cookie Sheets make baking easy. They are non-stick and perfect for cookies, pizza, or fish. Food slides off—no scrubbing pans.

These sheets are heat-safe up to 450°F. They are reusable, odor-free, and fit any oven. Just wash by hand and reuse.

Made in the USA, they support a family-owned business. Use them for mess-free cooking that lasts.

Pros Cons
  • Non-stick surface makes food release effortlessly every time
  • Reusable and durable—saves money over disposable liners
  • Easy cleanup with just soap and water, no scrubbing needed
  • Cut-to-fit design works in ovens, microwaves, and toaster ovens
  • Made in the USA by a family-owned business since 1985
  • Not suitable for open flames or broilers
  • May warp if exposed to sudden temperature changes
  • Requires hand washing for best longevity

Perfect For:

This non-stick baking sheet is perfect for anyone who loves to bake and wants to save time on cleanup. It’s great for families, busy cooks, or baking enthusiasts who enjoy making cookies, pizza, or sticky treats without the mess.

Ready to Purchase?

6. Navaris 3x Reusable Baking Sheets – 13″x16″ (33x40cm) Parchment Paper for Baking Oven – Durable Non-Stick PTFE Teflon Sheet Baking Mats – Reversible Baking Tray – Set of 3 Pieces

Navaris 3x Reusable Baking Sheets - 13

Tired of baking headaches? The Navaris Reusable Baking Sheets are here! They are non-stick and super easy to use. Ditch the parchment paper mess today.

These amazing sheets are good for the earth. Get yours now for perfect baking every time!

Pros Cons
  • Reusable design saves money and helps the environment long-term.
  • Non-stick surface lets you bake without extra oil or butter.
  • Heat resistant up to 572°F for safe oven use.
  • Dishwasher safe and easy to clean after use.
  • Multi-purpose for baking, ironing, crafting, and more.
  • Teflon coating may wear over time
  • May stick with sticky foods
  • Requires cutting to fit pans

Perfect For:

This product is perfect for home bakers and anyone who loves to cook. The reusable baking sheets make it easy to prepare your favorite meals without the mess. They are also great for those who want to save money and help the environment by reducing waste. Enjoy baking with these non-stick mats!

Ready to Purchase?

7. King Arthur, Pre-Cut Natural & Unbleached Baking Parchment Paper, Heavy Duty, Nonstick, Reusable, Resealable Pack, Fits 18″ X 13″ Pan, 100 Count

King Arthur, Pre-Cut Natural & Unbleached Baking Parchment Paper, Heavy Duty, Nonstick, Reusable, Resealable Pack, Fits 18

King Arthur’s parchment paper is strong and reliable. It’s pre-cut to fit half-sheet pans, making baking easier. This natural, unbleached paper is greaseproof and nonstick.

It’s perfect for cookies, breads, and roasted veggies. The even browning and easy cleanup save time. Reusable and heavy-duty, it lasts for multiple uses.

Made in the USA, this professional-grade paper is top-quality. King Arthur is a trusted, employee-owned company with a long history of baking excellence.

Pros Cons
  • Pre-cut to fit 18″x13″ pans perfectly
  • Natural unbleached parchment ensures even browning
  • Heavy-duty and reusable sheets save time and money
  • Nonstick surface makes cleanup quick and easy
  • Made in the USA for reliable quality
  • Limited size compatibility may require trimming for other pans.
  • Thicker material might be harder to tear without scissors.
  • Not ideal for high-heat broiling due to silicone coating.

Perfect For:

This baking parchment paper is perfect for home bakers and cooking enthusiasts. It makes baking easier and helps with clean-up. You can use it for cookies, breads, and even roasting vegetables. Its heavy-duty design means you can reuse it multiple times. Enjoy great results with every bake!

Ready to Purchase?

8. Silicone Baking Mat, Baking Sheets Non Stick, Silicone Mats for Baking, 3 Pcs for Cookies, Bread and Pastry, Baking Supplies for Oven, Grey

Silicone Baking Mat, Baking Sheets Non Stick, Silicone Mats for Baking, 3 Pcs for Cookies, Bread and Pastry, Baking Supplies for Oven, Grey

Silicone baking mats are thick and strong. They handle extreme heat, from -40°F to 446°F. These mats are safe, reusable, and replace single-use parchment paper.

The non-stick surface lets food slide off easily. No extra grease or oil is needed. Clean-up is fast—just rinse or use a dishwasher.

This set has 3 mats in two sizes. They fit all baking needs, from cookies to bread. A smart gift for any baker.

Pros Cons
  • Durable 0.7mm thickness withstands extreme temperatures (-40°F to 446°F).
  • BPA-free food-grade silicone ensures safe, healthy baking with no odor.
  • Non-stick surface eliminates need for grease or parchment paper.
  • Easy to clean and store; rolls up for compact space-saving.
  • Versatile set includes 2 large (16.53 x 11.61″) and 1 small (11.81 x 8.27″) mats.
  • Not suitable for high-temperature baking above 446°F
  • May warp if exposed to prolonged extreme heat
  • Requires careful temperature monitoring during use

Perfect For:

This silicone baking mat set is perfect for anyone who loves to bake! Whether you’re a beginner or an experienced chef, these mats make baking easy and fun. They are great for making cookies, bread, and pastries without the mess. Enjoy hassle-free cleanup and storage too!

Ready to Purchase?

9. Silicone Baking Mat, 12 IN x 6 FT Free Cutting Baking Sheet,Non-Stick Reusable Dough & Pastry Mat,Non-Slip Silicone Mat Roll for Air Fryer Liner,Freeze Dryer,Oven Baking Pan,Kitchen Counter

Silicone Baking Mat, 12 IN x 6 FT Free Cutting Baking Sheet,Non-Stick Reusable Dough & Pastry Mat,Non-Slip Silicone Mat Roll for Air Fryer Liner,Freeze Dryer,Oven Baking Pan,Kitchen Counter

This Silicone Baking Mat is made from food-grade, non-toxic material. It’s BPA-free and PFOA-free for safe use. You can cut it to any size with scissors.

The mat handles extreme heat, from -40°F to 480°F. Its non-stick surface keeps food from sticking.

Use it as a countertop protector, dough mat, or air fryer liner. The reinforced fiberglass backing ensures long-lasting use.

Pros Cons
  • Safe, BPA-free silicone for healthy baking.
  • Cut to fit any pan or shape easily.
  • Heat resistant from freezer to oven, durable use.
  • Non-stick, easy to clean, no mess, no stress.
  • Multi-purpose for baking, dough, and counter protection.
  • Not for direct flame or open fire cooking.
  • May stain with strong-colored foods like turmeric.
  • Edges can curl when cutting to custom sizes.

Perfect For:

This product is perfect for home cooks and bakers who want a safe, reusable non-stick surface for baking, rolling dough, or protecting countertops. It’s ideal for anyone needing a durable, easy-to-clean mat that works in ovens, freezers, air fryers, and more.

Ready to Purchase?

10. XSSDPDC 3-Pack Non-Stick Silicone Baking Mat, Food Safe Silicone Mats for Baking Cookies and Macarons – Silicone Baking Sheet(Gray)

XSSDPDC 3-Pack Non-Stick Silicone Baking Mat, Food Safe Silicone Mats for Baking Cookies and Macarons - Silicone Baking Sheet(Gray)

XSSDPDC 3-Pack Non-Stick Silicone Baking Mat offers a non-stick surface without oils. It is made from food-safe silicone for easy, healthy baking. Perfect for cookies, macarons, or any recipe needing a reliable mat.

These mats are reusable and eco-friendly, cutting waste from parchment paper. They resist temperatures from -40°F to 446°F, so they work for baking, freezing, or storage. Cleaning is simple: just wash with soap or put them in the dishwasher.

The set includes two medium and one small mat. All have non-slip edges to stay stable on baking sheets.

Pros Cons
  • Non-stick surface eliminates oils/sprays for mess-free baking.
  • Eco-friendly reusable design cuts waste vs. parchment paper.
  • Multi-purpose use for baking, freezing, or kneading dough.
  • Heat-safe up to 446°F for oven flexibility.
  • Includes 3 sizes to fit varied baking needs.
  • Strong smell may linger, requiring extra steps before use.
  • Non-slip edges can make storage bulky.
  • Smaller mat size limits larger baking projects.

Perfect For:

This product is perfect for bakers of all levels. Whether you are making cookies, macarons, or just kneading dough, these silicone mats will make your tasks easier and cleaner. They are safe, durable, and can be used again and again. You will love how easy it is to bake without the mess!

Ready to Purchase?

Buying Guide

Reusable parchment paper makes baking smoother and cleanup faster. Home bakers love skipping single-use rolls and sticky pans.

I started using silicone mats last year. Cookies slide right off—no ripped bottoms or burnt edges. My kitchen trash shrank by pounds each month. My daughter even helps wipe them clean now. Once you try them, paper feels wasteful and frustrating.

Size and Fit
Measure your baking sheets before buying. Common sizes are half-sheet (16.5" × 11.6") and quarter-sheet. Mats must lie flat without curling edges. Too small? Food sticks to exposed metal. Too big? They bunch up in the oven.

Heat Resistance
Check the max temperature rating. Most quality mats handle 450°F–500°F safely. Teflon-based sheets often go higher (600°F). Stay below stated limits to avoid melting or odor. Never use mats above their rated heat.

Material Safety
Choose food-grade silicone or PTFE-free Teflon. Avoid BPA, PFOA, and lead. Look for FDA or LFGB certification. Safe materials won’t leach chemicals into cookies or bread. Trust brands that list testing clearly.

Non-Stick Performance
Food should release easily with zero sticking. Good non-stick means no butter, oil, or spray needed. Test reviews: Do cookies brown evenly? Do macarons pop off clean? Weak non-stick defeats the point.

Ease of Cleaning
Wipe-and-rinse wins. Dishwasher-safe mats save time. Avoid fabrics that trap dough or stain. Smooth, non-porous surfaces wash fastest. Skip scrubbing—clean mats mean fresh-tasting results every use.

Durability and Thickness
Thicker mats (0.7mm–1mm) resist tearing, warping, and cuts. Reinforced edges or fiberglass backing add years of use. Thin sheets tear easily. High durability means thousands of baking cycles.

Reusability and Lifespan
True reusable mats replace hundreds of parchment sheets. Look for lifetime guarantees or brands that back longevity. If it lasts 5+ years, it pays for itself fast. Avoid flimsy "reusable" sheets that degrade in months.

Eco-Impact
Each reusable mat stops dozens of paper rolls from entering landfills. Choose durable, recyclable materials. Less waste, fewer shopping trips. Small change, big drop in kitchen trash.

Versatility
Great mats work in ovens, microwaves, freezers, air fryers, and as countertop aids. Rollable sheets double as dough guides. Multi-use saves money and drawer space.

Storage and Handling
Flexible mats roll or lay flat. Rigid sheets crack or warp. Non-slip bottoms prevent sliding on pans. Easy storage means you’ll actually reach for them every bake.

Price per Unit
Sets of 2 or 3 offer the best value. Higher upfront cost than paper pays off fast. Compare cost per mat and lifespan. Cheap mats warp or stain; invest in reliable ones.

Trust and Reviews
Read real user experiences. Brands with consistent praise for lasting non-stick and easy cleaning earn trust. Avoid products with many "stuck food" or "odor after heat" complaints.

Safe First Use
Wash new mats. Some need boiling or baking at low heat to remove factory scent. Always air-dry fully. Follow brand directions to prevent off-tastes.

Final Tip
Replace scratched or warped mats. Old damage affects heat flow and release. Fresh mats give better results—reuse them right, and they last years.