A method of deep-frying food, usually at relatively high temperatures (375°F, plus or minus).
The process of cooking food in hot oil, which is deep enough to immerse the food completely, is called deep-frying.
To cook food by immersing it in hot oil is referred to as deep-frying. The food may be plain, such as potatoes, or coated with a layer of batter, as is the case with onion rings.