There is no one-size-fits-all answer to this question, as the best four cheese pizza recipe will vary depending on personal preferences. However, some popular ingredients that are often used in four cheese pizzas include mozzarella, Parmesan, cheddar, and provolone.
Spread pizza sauce then ricotta cheese on top of bread shell. Sprinkle cheeses over sauce in order given. Bake at 450 degrees for 12 - 15 minutes (5 - 8 minutes for 6 inch shells).