Wash the truffles thoroughly with clean water. Be sure they are clean because you will use them unpeeled. Brush truffles with soft brush to eliminate soil deposits and then cover each truffle with dry paper towel to seal their natural flavor. Place the wrapped truffles in an airtight jar and store it in the refrigerator. Chefs usually use thinly-sliced truffles and insert these into beef slices, under the skins of roasted chicken, in preparing foie gras and in p t s as well as stuffings. Others use truffles in various types of sauces to make the dish tastier. Because of its unique taste and smell, producers of specialty cheeses also use truffles during production. Regardless of variety, truffles work best when paired with fat-rich foods such as cheese (Parmesan, Asiago, and Romano varieties), butter, cream, and foie gras. Truffles are great with pasta, too. Grate them over the creamy sauce of your pasta, and you re sure to enjoy savoring this flavorful dish. Have a hearty breakfast courtesy of black truffles combined with scrambled eggs or omelets. What is harvested is the fruit, the roots are white filaments called as hyphas, and there is not stem. Truffles would suck sap from the host plant or trees. Those truffles that grow under the roots of oak trees are the most pungent, while those that grow in the roots of lime trees are the most aromatic. It is thought that the reason why truffle mushrooms grow belowground is to protect themselves from forest fires and during extreme temperatures during frosty periods. Truffles can be found in countries like France, Italy, Croatia, Slovenia, some parts in the Middle East and North Africa. They can also be grown and found in United States, particularly in Oregon and Washington. You can tell that a mushroom is a truffle if it has a thick, rough, and wrinkled outer skin. It is usually black, white, or brown, depending on its variety. These mushrooms come in many varieties, which are classified according to the season when they are harvested. The most familiar among these truffle varieties is the black winter truffle, also popularly known as the umbria truffle, the black diamond truffle, the French black truffle, or the Perigord.