Meat Lovers Pizza Casserole

Ingredients

• 1 lb Italian sausage
• 1/2 lb pepperoni slices
• 1 lb ground beef
• 24 oz marinara sauce
• 2 cups mozzarella, shredded
• 1/2 cup parmesan, grated
• 16 oz penne pasta
• 1 tsp Italian seasoning
• 1 green bell pepper, diced