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 add to pantry
• + ground black pepper to taste add to pantry
• + 1 tablespoon olive oil, or as needed add to pantry
• + 1 (12 inch) pre-baked pizza crust add to pantry
• ✓ cooking spray
• ✓ 6 eggs
• + 1 cup shredded Cheddar cheese, or as desired add to pantry