Scrape out loose food with a wooden or nylon spoon.
Pour enough vinegar into the burnt pan to cover the burnt-on food. Add an equivalent amount of water and 1 tablespoon of baking soda.
Bring the mixture to a boil on the stovetop and allow to slowly boil for at least 10 minutes.
Scrape off the burnt food with a flat wooden or plastic spoon.
Empty the pot and sprinkle in a generous amount of baking soda.
Scrub the pot with a nylon scrubbing pad until clean.
Rinse well with clear water and dry.