Pepperoni Pizza Bake | Willy Street Co-op

Ingredients

• 1 pound penne pasta
• 3 ounces pepperoni, thinly sliced and cut into halves or quarters
• 1 jar (25.5 ounces) marinara or spaghetti sauce
• 1 tablespoon olive oil
• 1 cup yellow onion, diced
• 1 cup green pepper, diced
• 1 1/2 cups button mushrooms, sliced
• 1 2.25-ounce can black olives, sliced
• 2 cups shredded mozzarella cheese