Cheese.
Pickles.
Wine.
Beer.
Sauerkraut.
Kimchi.
Bread.
Chocolate.
Creme fraiche.
Fish sauce.
Ketchup.
Salami.
Sour cream.
Soy sauce.
Yogurt.
Hot sauce.
Vinegar.
Worcestershire sauce.
That is a list of some of the many foods that are fermented at some point in the process bucket.