Biscuits and Sausage Gravy Breakfast Pizza

Ingredience

1 (16 oz) package breakfast sausage

¼ cup all-purpose flour

2 cups milk

Ground black pepper, to taste

1 tbsp olive oil (optional)

1 (12 inch) pre-baked pizza crust

Cooking spray

6 eggs

¼ cup milk

1 cup shredded Cheddar cheese (or as desired)