I don't clean the oven for more than 5 minutes. My mother-in-law made two watches the other day and they weren't as clean as mine.

3. Disinfection with vinegar

Once the paste has set, use a damp cloth to wipe down the inside of the oven. You can also use a plastic spatula to help loosen stubborn residue. Next, spray a mixture of water and vinegar inside the oven to effectively disinfect the surfaces.

4. Final rinse