Easy Off Heavy Duty Oven Cleaner, Destroys Tough Burnt on Food and Grease, Fresh Scent, 14.5 oz Can

https://amzn.to/4e8GTQD Get some foamy over cleaner (sysco or USfoods should have it too). Scrub wall with soap and water metal scrubby. Then apart oven cleaner let sit for 5 then hose off