A cozy and rich pasta dish featuring Italian sausage, rigatoni pasta, and a flavorful tomato-based sauce with garlic, onion, cream, and Parmesan cheese, ready in under 40 minutes.
Simmering the sauce for 15 minutes allows the tomato paste to caramelize and develop deep flavors., Saving some pasta water helps loosen the sauce and helps it cling to rigatoni ridges., Break sausage into small crumbles while browning for even flavor distribution., For a smoother sauce, pulse crushed tomatoes in a blender before cooking., Add cream gently to avoid curdling and maintain sauce silkiness., Variations include using hot sausage for more heat, substituting mushrooms for a vegetarian version, or swapping rigatoni with zucchini noodles for a low-carb option., Slow cooker method: Brown sausage, onion, and garlic; transfer to slow cooker with remaining ingredients and cook on low for 4 hours; boil pasta separately and combine before serving., Leftovers keep well refrigerated for up to 3 days or frozen for up to 2 months; reheat gently with added water or broth to loosen sauce., To avoid mushy pasta when freezing leftovers, undercook rigatoni by 1-2 minutes or freeze pasta and sauce separately.