Yes, you can find them in every part of the world, but it takes a great deal of hard work, time, patience, and knowledge about various truffle species to be able to collect these precious finds. And you can correctly guess that it s their being elusive that makes them seductive, what with the human nature that drives people to want anything that is difficult to attain. Knowing Truffles Mushrooms are such a sought-after delicacy to people all over the world. In fact, because of its popularity, it has become a staple ingredient to so many dishes. Among the most sought-after types of mushrooms are called truffles mainly because it is rare and is so expensive compared to other types there are. Often times, truffles are sold in containers filled with rice. This rice has definitely absorbed parts of the flavour and aroma of the fungi and could be used for cooking. Given this condition, they are often described as vegetable meat. Truffles contain high protein content. They are made up 73% water, and several substances and minerals like calcium, potassium and magnesium. Since these are very expensive, gourmet restaurants only serve these because only the chefs can truly maximize the use of this pricey delicacy. And, even in restaurants, truffles are used sparingly not only because these are expensive but it also has a very pungent taste. For those who can afford to consume large amounts of truffles, these can be served and eaten raw. As long as there are trees such as oak and hazelnut, you have a good chance of finding a truffle. You can dig truffles about 1 to 6 inches deep within mineral soil and organic litter. They can be harvested all year round, depending on the area and truffle species. How Are They Prepared for Cooking? Of course, you have to clean a truffle first before cooking it. In doing so, you know your various choices and how to pick the best one for your particular dish. Winter white truffle - This truffle type goes by other equally popular names such as Italian white truffle, Piedmont truffle, and white truffle from Alba. As the name suggests, this truffle is harvested in winter months from October through December.