Cream, Sour Cream, Soft Cheese)
Dairy curdles when exposed to prolonged heat. You’ll end up with a grainy, separated sauce.
Better alternative: Stir in cream, sour cream, or soft cheeses during the last 15 to 30 minutes of cooking. For hard cheeses like Parmesan, add them at the very end.
4. Seafood
Fish, shrimp, and scallops cook in minutes. A slow cooker will turn them into rubbery, overcooked morsels.
Better alternative: Add seafood during the final 15-20 minutes of cooking, or cook it separately and fold it in before serving.