In essence, deep-frying involves heating food quickly at a high temperature while drowning it in oil or fat. Sure, you'll need the right tools, the right oil, and a little bit of knowledge, but more significantly, in order to become a skilled deep-fryer, you'll need to pay close attention to the temperature of your oil in order to achieve the greatest results. The theory of deep frying is really when the oil is hot enough, the food's surface will rapidly cook, creating a seal that prevents the fat from penetrating. Simultaneously, the meal's internal moisture is transformed into steam, which cooks the food from the outside in.