How to Clean Oven Trays / Baking Sheets

Why Baking Sheets Get So Stained

Baking sheets and oven trays are workhorses of the kitchen — and they show it. Repeated exposure to high heat causes oils and food residue to polymerize and bond to the metal surface, creating that dark, sticky, seemingly permanent coating. The good news: with the right method, even the most neglected baking sheet can be restored to near-original condition.

Know Your Material First

Different baking sheet materials require different cleaning approaches:

• Aluminum: Most common. Avoid harsh abrasives that can scratch. Don't use bleach — it reacts with aluminum.
• Stainless steel: More durable. Can handle more aggressive scrubbing. Bar Keepers Friend works exceptionally well.
• Non-stick coated: Most delicate. Never use abrasive scrubbers or steel wool — they destroy the coating. Gentle dish soap and a soft sponge only.
• Dark/carbon steel: Similar to cast iron — season rather than scrub aggressively.

What You'll Need

• Baking soda
• White vinegar or hydrogen peroxide
• Dish soap
• Heavy-duty scrub sponge or scrub pad
• Bar Keepers Friend (for stainless steel)
• Oven rack cleaning bags (for soaking)

For aluminum and stainless steel trays, Bar Keepers Friend Soft Cleanser is one of the most effective products available — it removes baked-on stains and discoloration without harsh scratching. A heavy-duty scrub sponge handles tough residue on metal surfaces. For a no-scrub soak method, oven rack cleaning bags work brilliantly for trays too — just seal the tray inside with hot water and dish soap and let it soak overnight.

Method 1: Baking Soda + Vinegar (Best for Aluminum)

Step 1: Sprinkle Baking Soda

Lay the baking sheet flat and sprinkle a generous layer of baking soda over the entire surface, focusing on stained areas.

Step 2: Spray with White Vinegar

Spray white vinegar over the baking soda. It will fizz — this reaction helps lift baked-on grease and stains from the surface.

Step 3: Let It Sit

Leave the fizzing mixture to work for 30 minutes to 1 hour. For very heavy buildup, leave for 2–3 hours.

Step 4: Scrub and Rinse

Scrub with a heavy-duty sponge in circular motions. Most of the staining should lift with moderate pressure. Rinse thoroughly and dry.

Method 2: Bar Keepers Friend (Best for Stainless Steel)

Step 1: Wet the Surface

Wet the baking sheet with a little water.

Step 2: Apply Bar Keepers Friend

Apply Bar Keepers Friend Soft Cleanser directly to the stained areas.

Step 3: Scrub

Scrub with a damp sponge in circular motions. The mild oxalic acid in Bar Keepers Friend dissolves rust, mineral deposits, and baked-on stains effectively.

Step 4: Rinse Thoroughly

Rinse completely — Bar Keepers Friend should not be left on surfaces. Dry immediately to prevent water spots.

Method 3: Overnight Soak (Least Effort)

Place the baking sheet in an oven rack cleaning bag (or a large zip-lock bag). Add hot water, a generous squirt of dish soap, and ¼ cup of baking soda. Seal and leave overnight. In the morning, the residue will have loosened significantly and wipes away with minimal scrubbing.

How to Clean Non-Stick Baking Sheets

For non-stick surfaces, use only warm water, dish soap, and a soft sponge. Never use abrasive scrubbers, baking soda paste, or Bar Keepers Friend — these damage the non-stick coating. For stubborn spots, soak in warm soapy water for 30 minutes before gently wiping.

Tips to Keep Baking Sheets Cleaner Longer

• Line baking sheets with parchment paper or a silicone baking mat before every use — this prevents direct contact between food and the pan.
• Wash baking sheets promptly after use — don't let residue dry and harden.
• Dry immediately after washing to prevent rust on aluminum and carbon steel.

Final Thoughts

Even heavily stained baking sheets can be restored with the right method. Baking soda and vinegar for aluminum, Bar Keepers Friend for stainless steel, and gentle soap for non-stick — match the method to the material and you'll get great results every time.