Place oven mitts on your hands.
Fill the cast iron pan with hot, but not boiling, water. Add about 1/4 cup of course salt.
Scrub the pan with a non-metal dish brush until the burnt oil is removed.
Dry the pan with a towel and lightly coat the cooking surface with cooking oil to prevent rust.
Allow the pan to cool.
Pour baking soda onto foam eraser sponge.
Scrub the burnt oil with the sponge until the residue is removed.
Wash the pan with dish soap and water and dry thoroughly.