For this quick and easy pizza recipe, top a prepared pizza crust with ricotta, Parmesan, and mozzarella cheese and sauteed broccoli rabe.
Place oven rack in lowest position. Heat oven to 450°F.
Mix ricotta and Parmesan together; set aside. Rinse broccoli rabe, remove outer leaves and thick stems; cut into 2-inch pieces. Set aside.
In a large sauté pan, heat oil over medium heat. Cook garlic for 1 minute. Add broccoli rabe, salt, rosemary and red pepper flakes to pan and cook, stirring, for 9 minutes or until tender; set aside.
Place mozzarella slices evenly on pizza crust. Spread broccoli rabe on top, then drop rounded tablespoons of ricotta mixture on top of broccoli.
Bake at 450°F for 10 minutes or until cheese is melted. Cut into eight wedges and serve immediately.