Preheat oven to 375 degrees
Spray a 9x9 pan with cooking spray and set aside.
Remove biscuits from package and separate.
Cut each biscuit into quarters.
In large mixing bowl, combine biscuit pieces, pizza sauce, pepperoni and ½ cup of the mozzarella cheese, and parmesan cheese. Toss to combine ingredients.
Pour (or spoon) mixture into prepared baking dish. Bake for 15-20 minutes or until golden brown and cooked through. Check the middle and put back in for a few more minutes if dough isn’t cooked through.
Top with remaining cheese and some pepperonis and bake an additional 5 minutes or until cheese is melted.
Remove from oven and serve