What’s likely being suggested:
The trick usually involves putting the oven rack in a garbage bag with some type of cleaner—often baking soda + ammonia or a commercial oven cleaner—and letting it sit so the grime loosens without scrubbing.
How it works:
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Baking soda + ammonia: Both are strong at breaking down grease and baked-on food. When sealed in a bag, the fumes or chemical reaction help soften the gunk, making it easy to wipe off afterward.
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No scrubbing?: Technically, some wiping is still required. The “as good as new” part is exaggerated; you often still need a cloth or sponge to remove softened residue.
Safety tips:
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Ventilate – If using ammonia or commercial cleaners, strong fumes can irritate eyes and lungs.
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Seal carefully – Make sure the bag doesn’t leak.
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Rinse thoroughly – Before putting the rack back in the oven, wash it with water to remove any chemical residue.
✅ Bottom line: It’s a legit method for reducing scrubbing, but it’s not completely effortless and can be unsafe if you skip precautions.
If you want, I can give a step-by-step, safest “no-scrub” oven rack cleaning routine that actually works and avoids harsh chemicals. Do you want me to do that?