Begin by taking out the oven racks and soaking them in hot, soapy water. Mix baking soda and water into a thick paste, then spread it across the oven interior. Let it sit overnight to loosen grime and grease. The next day, spray vinegar onto the paste and wipe away the residue with a damp cloth.visit:- https://www.bondcleaningservice.com.au/bond-cleaning-brisbane/