Can You Put a Baking Sheet in the Dishwasher?

Most baking sheets are not dishwasher safe; hand washing is best.

Stainless steel sheets are the exception and can go in the dishwasher.
Always check the manufacturer's instructions before washing.
Use gentle cleaning methods to extend the life of your baking sheets.

What Happens When You Put a Baking Sheet in the Dishwasher?

Dishwasher detergents are abrasive and can strip seasoning or coatings. High heat and water pressure can warp thin metal. Aluminum reacts with alkaline detergents, causing dark spots and a dull finish. Nonstick surfaces may peel or scratch over time. Steel baking sheets can rust if the protective layer is damaged.

Which Baking Sheet Materials Are Dishwasher Safe?

Stainless steel baking sheets are the most dishwasher safe. They resist rust and corrosion. Heavy-gauge aluminum sheets may survive but often discolor. Carbon steel sheets require seasoning and will rust in the dishwasher. Nonstick-coated sheets should always be hand washed. Silicone baking mats are dishwasher safe, but they are not baking sheets.

How to Tell If Your Baking Sheet Is Dishwasher Safe

Look for a label or stamp on the sheet. Many manufacturers print 'dishwasher safe' or 'hand wash only' on the bottom. Check the product listing online if you still have it. When in doubt, hand wash with warm soapy water. Avoid using steel wool or harsh scrubbers.

Best Practices for Cleaning Baking Sheets

Hand washing extends the life of any baking sheet. Use a soft sponge and mild dish soap. For stuck-on grease, make a paste of baking soda and water. Let it sit for 15 minutes, then scrub gently. Rinse thoroughly and dry immediately to prevent rust. Avoid soaking aluminum sheets for long periods.

What About Air Fryer Baking Sheets and Half Sheets?

Air fryer baking sheets are often smaller and may have a nonstick coating. Check the manual for dishwasher instructions. Half sheets, the standard 18 by 13 inch size, vary by brand. Nordic Ware natural aluminum half sheets are not dishwasher safe. USA Pan half sheets are made of aluminized steel and are not dishwasher safe either.

Common questions

Can you put aluminum baking sheets in the dishwasher?

Technically yes, but it will discolor and may warp. The dishwasher's heat and detergents cause oxidation. Hand washing is recommended to keep them looking good.

Can you put nonstick baking sheets in the dishwasher?

No, you should not. The dishwasher's abrasive detergents and high heat can damage the nonstick coating. Hand wash with a soft sponge to preserve it.

Can you put stainless steel baking sheets in the dishwasher?

Yes, stainless steel is the most dishwasher safe material for baking sheets. It resists rust and corrosion. However, frequent washing may leave water spots.

Can you put a baking sheet with parchment paper in the dishwasher?

No, you should remove parchment paper before washing. Parchment paper can clog the dishwasher filter. It may also tear and leave residue on other dishes.

Can you put a baking sheet in the dishwasher if it has a silicone mat?

You can put the silicone mat in the dishwasher, but not the baking sheet underneath. The mat is dishwasher safe, but the sheet may warp or discolor. Remove the mat and wash the sheet by hand.

Can you put a baking sheet in the dishwasher after using it for fish?

Yes, but the smell may linger. Rinse the sheet with cold water first to remove fish oils. Then wash as usual. Hand washing with lemon juice or vinegar can help remove odors.

Can you put a baking sheet in the dishwasher if it has burnt-on food?

It's not recommended. The dishwasher may not remove burnt food, and the high heat can bake it on further. Soak the sheet in hot soapy water first, then scrub.

Can you put a baking sheet in the dishwasher if it's warped?

Warping is often caused by the dishwasher's heat. If your sheet is already warped, putting it in the dishwasher may make it worse. Hand wash and avoid extreme temperature changes.