BUBBLE PIZZA Preheat oven to 400°. Cut each biscuit into quarters. Place the biscuit pieces in a greased 8 x 8 glass baking dish. Top with sauce and pepperoni, sausage, etc. Bake uncovered for 20 minutes. Remove from oven & sprinkle mozzarella & parmesan cheese on top. Bake for an additional 5 minutes. Sprinkle with oregano and let stand for 5 minutes before serving. my sister made bubble pizza and it was amazing! hopefully this is close!!!