Here are some common mistakes to avoid when using appliances to cook healthy meals: Overcooking: Overcooking can cause nutrients to be lost and can result in dry, overcooked food. Be sure to follow the recommended cooking times for your appliance. Using too much oil or fat: Use as little oil or fat as possible when cooking with appliances. Non-stick surfaces can help reduce the need for extra oil or fat. Not cleaning your appliance properly: Be sure to clean your appliance regularly to ensure that it is in good working order and to avoid the buildup of bacteria or other contaminants. Not following the recommended cooking times: Be sure to follow the recommended cooking times for your appliance to ensure that your food is cooked properly.