Biscuits and Sausage Gravy Breakfast Pizza

Ingredients (9)

• + 1 (16 ounce) package breakfast sausage add to pantry
• + ¼ cup all-purpose flour add to pantry
• ✓ 2 cups milk
• ✓ ground black pepper to taste
• ✓ 1 tablespoon olive oil, or as needed
• + 1 (12 inch) pre-baked pizza crust add to pantry
• + cooking spray add to pantry
• + 6 eggs add to pantry
• + 1 cup shredded Cheddar cheese, or as desired add to pantry