Select fresh or refrigerated ravioli with fillings like cheese, mushroom, or spinach for best results., Use store-bought roasted cherry tomatoes or roast your own to enhance flavor., For a lighter sauce, substitute heavy cream with single cream or half-and-half., Check ravioli doneness by cutting one open during cooking to ensure it is heated through., Leftovers keep best stored separately: sauce refrigerated up to 2 days, sauce freezes up to 2 months., Cooked ravioli is not ideal for freezing; freeze uncooked ravioli per package instructions and cook fresh before adding to reheated sauce., Reheat gently on stove with added cream, milk, or stock to maintain sauce texture; microwave in short bursts if preferred., Make sauce ahead and store separately to keep freshly cooked ravioli from getting soggy., Serving suggestions include crusty garlic bread, a green salad, extra grated parmesan, basil pesto, and pairing with chilled white wine like Pinot Grigio or Sauvignon Blanc., Possible ingredient swaps include vegetable stock for a vegetarian version and adding cooked pancetta, shredded chicken, or shrimp for protein., Adjust chili flakes to control heat level according to preference or dietary needs.