Asparagus Pizza

Ingredients (10)

• 1 (10- to 12-ounce) ball pizza dough, homemade or store-bought
• 1 tablespoon olive oil
• 1/8 teaspoon salt
• 1/8 teaspoon ground black pepper
• 1/4 cup ricotta cheese
• 1 cup mozzarella cheese, shredded, part-skim or whole milk
• 8 asparagus spears, peeled and sliced
• 2 tablespoons Parmesan cheese, freshly grated
• 1 cup baby arugula
• 1 pinch crushed red pepper flakes