Fill the pan with hot water and a few drops of dish soap
Let it soak for 15 to 30 minutes
Sprinkle baking soda over the burnt bottom
Add a little water to make a paste
Scrub with a non-scratch sponge or brush
For stubborn spots, boil water and baking soda in the pan for a few minutes
Let the pan cool, then scrub again
Use vinegar and baking soda for heavy buildup
Rinse thoroughly with warm water
Dry completely with a soft cloth
Repeat if needed