Truffle oil is a seasoning in modern cooking, used to give the dish the taste and aroma of truffles. Truffle oil is popular among cooks due to its year -round availability and significantly lower price than real truffles. At the same time, the oil has a taste and aroma close to truffle, although there are many other aromatic substances in the real mushroom. The appearance of truffle oil caused a strong increase in the number of products with a declared truffle taste, while the production of truffles in the world is constantly declining.