Heat treatment is one important technique of cooking used to make food tougher and more nutritious. In simple cooking terms, heat treatment is a technique used to make certain foods cook faster by raising their temperature or more rapidly in another case. It is a process of heating food at a high temperature in order to destroy enzymes and other essential nutrients. The heat treatment of foods is very important for ensuring maximum nutritional value, as enzymes play an important role in the digestion of the food.