White vinegar can be an effective cleaning agent for cast iron skillets. Here's a step-by-step guide on how to clean a cast iron skillet using white vinegar:
Prepare the vinegar solution: Mix equal parts of water and white vinegar in a bowl or container. You'll need enough solution to cover the bottom of the skillet.
Heat the vinegar solution: Pour the vinegar solution into the cast iron skillet. Place the skillet on the stove and heat it on low to medium heat until the solution starts to simmer. Allow it to simmer for a few minutes.
Scrub the skillet: While the vinegar solution is simmering, use a scrub brush or a sponge with a scouring pad to scrub the skillet's surface. Focus on the areas with stubborn food residue or stains. Apply some pressure but be gentle to avoid damaging the seasoning.
Rinse the skillet: Once you have finished scrubbing, remove the skillet from heat and rinse it thoroughly with hot water. Ensure all the vinegar solution and loosened residue are washed away.
Dry the skillet: Use a towel to dry the skillet completely. Ensure there is no moisture left on the surface to prevent rust.
Re-season the skillet: After cleaning, it's important to re-season the skillet to restore its non-stick properties and protect it from rust. Apply a thin layer of vegetable oil or melted shortening to the skillet's entire surface, including the exterior and handle. Place it in an oven preheated to 350°F (175°C) for about an hour. Allow it to cool in the oven before removing.
Remember, vinegar is acidic, and using it on cast iron may strip off some of the seasoning. After cleaning with vinegar, it's crucial to re-season the skillet to maintain its protective coating. Regular maintenance and seasoning will help keep your cast iron skillet in excellent condition.