If you mean a baking-soda recipe for removing stubborn fat/grease from kitchen surfaces, here’s a strong general-purpose version:
Baking-soda grease remover
Ingredients
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½ cup baking soda
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2–3 tablespoons dishwashing liquid
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2–4 tablespoons warm water
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1 tablespoon white vinegar (optional, for extra cleaning power—but don’t mix it in advance with the baking soda)
Method
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Put the baking soda in a bowl.
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Add the dishwashing liquid and mix.
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Add warm water one tablespoon at a time until you get a thick, spreadable paste.
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Apply a generous layer to the greasy area.
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Leave it for 10–20 minutes so the detergent and baking soda can loosen the grease.
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Scrub with a non-scratch sponge or soft brush.
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Wipe away with a warm, damp cloth.
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Rinse and dry the surface.
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For extremely stubborn grease, repeat rather than aggressively scrubbing.
For stovetops, range hoods, cabinet surfaces, and greasy cookware: this works well for ordinary cooking grease, but it does not literally remove every type of fat from every surface.
⚠️ Avoid using abrasive baking-soda paste on delicate finishes, polished stone, nonstick coatings, aluminum, or surfaces where the manufacturer warns against abrasives. Also, never mix vinegar with bleach or other cleaning chemicals.