Butter is a dairy product obtained by churning or separating cream from cow's milk. It has a delicate creamy taste and delicate aroma. Butter is a useful food product, it is a valuable source of nutrients, calories, fats, as well as vitamins A, K, E. Butter is practically not used as an independent product due to its high fat content. However, it is often added to ready-made dishes, for example, porridges, pasta, purees, soups (especially dairy), various types of fillings, etc. The oil is widely used in the manufacture of creams, pies, cakes, gingerbread, cookies, white sauces. It can also be used for frying, although most of the useful substances are destroyed. Very often, sandwiches and canapes are made with butter, adding cheese, caviar, red fish, vegetables. Sometimes, to give a piquant taste and aroma, the oil is mixed with garlic or herbs, after which it is smeared on bread.