How safe is it to use Oven Cleaner spray Easy Off on sheet trays?
I don't know the material but before I'd use Easy Off, try putting a 1/2 cup of liquid detergent with some ammonia in a black garbage bag with the sheet or trays and let it sit for awhile - I've done it more than 24 hours. This can ONLY be done outside. Once you open the bag, everything rinses clean.
You don't say what's on the sheets / trays nor how long it's been sitting but I've used this method on cleaning rental oven trays that have had gawd knows what on them for gawd knows how long.
Do wear gloves obviously and good luck! Let us know what works!
How bad is the hard-to-clean situation? I have a sheet tray that I cooked meat on (with a rack) that now has cooked on grease and who knows what else. I tried my best to clean it. No luck. So I have relegated it to be a meat tray forever. Problem solved. I do have other sheet trays that have not been used for meat so they're fine.
It depends on what your baking sheet is made of. It is fine if your baking sheet is made of stainless steel surface. If your baking sheet is made of an aluminum surface, then it will react with it and can mess up the pan. Now, most household owners actually have nonstick Teflon coated baking sheet. If you have a Teflon coated sheet, then it should be easy to remove most burned on. If you use Easy Off on the nonstick surface, then it can really remove the nonstick material.
IMO, it's fine on SS.
I've never had a problem spraying the home version on aluminum and leaving it on for just an hour. The only time I had a (minor) problem using it on bare aluminum was when I left a lot of the institutional (liquid) version standing in a sheetpan overnight. Even then, It just roughened the metal a bit, but the random orbital sander brought it back smooth with the exception of one small area that had pitted a little more--where my burner pan was sitting in the same goo.