Rust appears on the inside of a cast iron skillet when liquids such as water are left on the skillet for a long period of time. The rust eats away at the skillet, eventually ruining the item. Stains and bad tastes from rust also transfer onto food you cook using the skillet. Eliminating the rust particles and stains as soon as you notice them prolongs the life of the skillet, saving you a considerable amount of money.
Things You'll Need
- Baking soda
- White vinegar
- Sponge or dish scrubber
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Rinse the cast iron skillet with warm tap water. This eliminates food particles from the skillet, simplifying the cleaning process. Don't dry the skillet.
Place the skillet inside a sink. Cover the rusty portion of the skillet with baking soda. Use enough baking soda to fully cover all of the rust.
Cut a single potato in half. Scrub the rust-covered portion of the skillet with the sliced potato pieces. The potato lifts the rust off the skillet.
Pour white vinegar over any leftover rust that's on the skillet. The vinegar will eliminates any residual rust.
Scrub the skillet with a moist sponge or dish scrubber. Rinse it thoroughly with warm tap water.
Inspect the skillet. Repeat Steps 2 through 5 if any rust remains.
Dry the skillet thoroughly with a towel to prevent more rust from developing.