SERVES: 12 INGREDIENTS 1 pack King’s Hawaiian Sweet Slider Buns 1 jar Rao's Homemade Pizza Sauce 9 slices fresh mozzarella 1 bag grated mozzarella 1 bag pepperoni 1 bottle crushed red pepper 3 tbsp butter 1 tsp Italian seasoning 1 1/2 tsp garlic powder 1 bag grated Parmesan cheese PREPARATION 1.