Preheat your oven to 350°F (175°C) and grease a Bundt pan with butter or cooking spray.

In a microwave-safe bowl, combine olive oil, butter, onion flakes, garlic, Italian seasoning, red pepper flakes, and parsley. Heat for 30-45 seconds until butter melts, then stir until combined.

Cut refrigerated pizza dough and biscuits into quarters, then mix with the seasoning mixture until evenly coated.

Layer half of the coated dough in the greased Bundt pan, then add half of the pepperoni, Parmesan, drizzle of marinara, and top with mozzarella.

Add the remaining dough pieces on top, followed by the remaining pepperoni, Parmesan, marinara, and mozzarella.

Bake for 40 minutes until golden brown and cheese is bubbling. Test with a knife for doneness.

Cool for about 10 minutes, then invert the pan onto a platter and serve warm.