What can you use to remove black baked on stuff the bottom of brass skillet?

Vinegar and baking soda. This is a classic cleaning method that works well on baked-on food. To use it, sprinkle the bottom of the skillet with baking soda and then add enough vinegar to create a paste. Let the mixture sit for 15-20 minutes, then scrub it with a non-abrasive sponge. Rinse the skillet thoroughly and dry it immediately.

Salt and vinegar. This is another effective cleaning method that works well on baked-on food. To use it, sprinkle the bottom of the skillet with salt and then add enough vinegar to create a paste. Let the mixture sit for 15-20 minutes, then scrub it with a non-abrasive sponge. Rinse the skillet thoroughly and dry it immediately.

Commercial degreaser. If the baked-on food is really stubborn, you may need to use a commercial degreaser. To use it, follow the directions on the product label. Be sure to wear gloves and safety goggles when using a degreaser.

Once you have removed the baked-on food, you can season the skillet to prevent it from happening again. To season the skillet, rub it with a thin layer of oil and then heat it over medium heat for 10-15 minutes. Let the skillet cool completely before storing it.