How long does it take to mold American cheese?

American cheese is a processed cheese, meaning it's made with pasteurized milk and has been treated to prevent mold growth. It's not typically designed to mold.

While there might be some rare instances where mold could grow on American cheese due to improper storage or contamination, it's not something that's expected or typical.

If you see mold on your American cheese, it's best to throw it away. Mold can produce toxins, and it's not safe to eat.