Ricotta Sausage Skillet

Ingredients

• Rigatoni pasta
• olive oil
• bulk Italian sausage
• medium onion, chopped
• garlic, minced
• prepared marinara sauce
• red pepper flakes
• Polly-O Mozzarella cheese, shredded
• Polly-O Parmesan cheese, grated
• Polly-O Ricotta cheese