Cooking in hot oil is a common technique used in many cuisines. Sauteing, frying, refrying, and deepfrying are all methods of cooking in hot oil. Sauteing is a method of quickly cooking food in a small amount of hot oil over high heat. Frying is a method of cooking food in a shallow layer of hot oil over medium-high heat. Refrying is a method of reheating previously cooked food in hot oil. Deepfrying is a method of completely submerging food in hot oil and cooking it until it is golden brown and crispy.