Ingredients
– Salt, for pasta cooking water
– Cooking spray, for greasing the casserole dish
– 16 ounces dry penne pasta
– 8 ounces Italian sausage links (raw or pre-cooked)
– 1/2 red bell pepper, seeded and chopped
– 1/2 green bell pepper, seeded and chopped
– 1/2 small red onion, chopped
– 4 ounces baby bella mushrooms, trimmed and sliced
– 1/4 cup black olives, sliced
– 24 ounces (2 1/2 cups) store-bought or homemade marinara sauce
– 1/2 cup grated Parmesan cheese
– 1 teaspoon garlic powder
– 1 teaspoon dried basil
– 1 teaspoon dried oregano
– 2 cups shredded mozzarella cheese
– 4 ounces pepperoni slices
Method:
