You can add other common household products, like vinegar ... (Dawn). Use a sponge or clean paintbrush to spread the paste on the walls, floor, and interior side of the door of the oven.
Cleaning the oven is one of those ... or spray a liberal amount of Dawn Spray on the sponge. Wipe the bottom of the oven and walls. Scrub off baked-on particles. You may need to let these soak ...