How to Clean Cookie Sheets | Shine Without Damage

Figuring out how to clean cookie sheets without scratching them or ruining their finish comes down to matching the method to the material. Aluminum pans and nonstick sheets need different care than the stainless steel options, and a few simple habits keep any of them looking new for years. Here is the practical approach that actually works.

The Right Daily Cleaning Method

Start by letting the sheet cool completely after baking — hot pans warp when splashed with cold water. Wipe off loose grease and burnt bits with a paper towel, then wash by hand using hot water and dish soap.

A soft sponge or nylon pad is the best tool for the job. Metal scouring pads and stiff steel wool are too aggressive for most sheets and strip protective finishes.

After washing, rinse away every trace of soap and dry the pan immediately. Thorough drying matters more than most people realize: pans with exposed steel edges or rims that trap water can rust, and moisture spots on aluminum dull the finish over time.

Handling Stuck-On Food and Burnt Residue

When baked-on cheese or caramelized sugars refuse to budge, soaking beats scrubbing. Fill the pan with hot water, add a few drops of dish soap, and let it sit for about 30 minutes. That soak loosens the residue without forcing you to bear down on the surface.

After the soak, scrub gently with a dish brush or a non-abrasive scouring sponge. The Winco care guide for its aluminum sheet pans recommends warm soapy water with a nylon pad or another soft abrasive — enough friction to lift the mess, not enough to gouge the metal.

For tough spots that survive the soak, try a paste of baking soda and a little water. Apply it to the stubborn area, let it sit briefly, then wipe with a soft cloth.

Material-Specific Care Rules

Not every sheet takes the same treatment. Aluminum is the most common, and it has the strictest rules. Never wash aluminum in the dishwasher, and avoid bleach, disinfectants, salt solutions, and acidic foods like tomatoes — these corrode the metal and leave pits that ruin the pan’s performance.

Nonstick sheets are more forgiving with stuck-on food but far more sensitive to tools. Skip abrasive scrubbers entirely and hand-wash with a soft sponge; harsh scouring is what flakes the coating off in the first place. One exception to their sensitivity: soaking is fine and helps a lot, so let a nonstick pan sit in hot soapy water before attacking burnt edges.

Sturdy stainless steel sheets handle more abuse and can often go in the dishwasher. Check the manufacturer’s label, since some stainless alloys are still marked hand-wash only. When in doubt, the same hot water, soap, and soft sponge routine works on every material without risking damage.

First Use of New Pans

New cookie sheets — particularly aluminum ones — need a quick wash before their first bake. Manufacturers apply lubricants and residue during the stamping process, and those compounds should not end up in your food.

Remove any labels, wash the sheet by hand in hot soapy water, rinse well, and dry thoroughly. Your first batch of cookies will taste better, and the pan gets a clean start without a coating of manufacturing oil.

If you’re in the market for a new baking sheet, our tested roundup of the best cookie sheets covers the options that hold up to years of washing.