Pour 1 cup each of salt, baking soda and water into a bowl.
Stir the ingredients well with a spoon to make a paste.
Spread the paste onto the inside of the oven with a sponge. Let it sit for five minutes, and then scrub the oven with a scrubbing pad. Rinse the oven well with a rag and clean water.
Fill a bucket with 1 qt. of warm water.
Add 1 tbsp. each of liquid dish soap, lemon juice and chlorine bleach.
Apply the mixture to the oven with a clean sponge. Leave it for an hour, then scrub with a scrubbing pad. Rinse the oven with a rag and clean water.
Pour 5 tbsp. baking soda, 4 tbsp. distilled white vinegar and three drops of liquid dish soap into a bowl.
Stir the ingredients well to make a paste.
Apply the paste to the oven with a sponge, and then scrub away the buildup with a scrubbing pad. Rinse the oven well with a rag and clean water.