Creating Supreme Mashed Potato Pizza is simple if you follow these easy steps:

1. Preheat Oven: Preheat your oven to 425°F (220°C).
2. Prepare Pizza Crust: Roll out the pizza crust on a floured surface to your desired thickness. Place it on a pizza stone or baking sheet.
3. Prepare Mashed Potatoes: In a bowl, combine the mashed potatoes with garlic powder, onion powder, salt, and pepper. Mix until smooth and well combined.
4. Spread Mashed Potatoes: Evenly spread the mashed potato mixture over the pizza crust, leaving a small border around the edges.
5. Add Cheese: Sprinkle the shredded mozzarella cheese and grated Parmesan cheese evenly over the mashed potatoes.
6. Add Toppings: Add cooked bacon bits, sliced green onions, and broccoli florets on top of the cheese.
7. Drizzle Olive Oil: Lightly drizzle olive oil over the toppings for added flavor and richness.
8. Bake Pizza: Place the pizza in the preheated oven and bake for 30-35 minutes or until the crust is golden brown and the cheese is bubbly.
9. Cool Down: Once baked, remove the pizza from the oven and let it cool for about 15-20 minutes.
10. Slice and Serve: Cut the pizza into slices and prepare to enjoy!

These steps will guide you in making this incredible pizza, ensuring it turns out perfectly every time.