How to Clean an Oven. So your lasagna bubbled over and your soufflé exploded? Not to worry - cleaning your oven is not the all-day chore it used to be.
Remove oven racks and soak them in soapy water.
Turn on your automatic oven cleaner; this usually entails locking the door and turning the function switch to "clean."
Let the oven do its work; it will heat for several hours, charring off baked-on foods.
Remove oven racks and place them in soapy water to soak.
Preheat oven to 200 degrees.
Turn the oven off and spray the inside with oven cleaner.
Allow to sit for 10 minutes.
Wipe the cleaner and dirt away with a damp sponge, rinsing frequently.
Dry with a soft cloth.