You can use a stiff, metal spatula instead of a razor blade if you prefer. Unless your razor blade is extremely dull, this shouldn’t scratch your oven. This is the only way to remove aluminum foil from a glass stovetop. Chemicals and acids will stain or crack your stovetop, so you can only use a razor blade. You can always remove the old cooktop and install a new one if you prefer. [3] X Research source
When you’re done, wipe the inside of the oven with paper towels or a rag and rinse any damp residue off with water. You can buy Easy Off online or at any store that sells cleaning supplies.
There’s a stern warning on the back of Naval Jelly that says not to use it on aluminum. That’s because it destroys it, which is actually what you want here. [6] X Research source Discard the paintbrush when you’re done or rinse it thoroughly under water. You can purchase Naval Jelly Rust Remover online or at any store that sells cleaning supplies.
Hydrochloric acid and aluminum will create hydrogen gas, so make sure your home is well ventilated and don’t start any fires (do not turn the oven on, either).
You may need to do this multiple times to fully remove the melted foil.
You can also try to heat the towel at the lowest temperature to fill the oven with steam. If you do this, put the towel on the oven rack, monitor the oven while you do it, and remove the towel as soon as the steam fully covers the oven door.