Truffles, when they mature, would develop a strong scent which can be detected by animals. When looking for truffles, small animal diggings around the tree roots would be a good indication that truffles are probably nearby. The scent could even attract animals bigger than the squirrel, like pigs and dogs. A pound usually costs from hundreds or thousands of dollars. But the culinary experience and delight that one gets from them is truly worth it. Make sure to remove all dirt on the truffle before eating. Wash it with water and brush it lightly. There are truffle brushes which are meant to remove mold and dirt. Of course, you don t need to go hunting for truffles in the forest. That s too time-consuming and laborious a task, unless it s your hobby. When shopping for truffles, smell them to check their odor intensity and freshness. Truffles that have been stocked for a long time gradually lose their strong smell. - the Oregon brown truffle or the Leucangium brunneum which has an exterior with reddish-brown color along with a grayish mottled interior. It is used in dishes and specialties requiring garlicky flavor and aroma. - the Oregon black truffle or the Leucangium carthusianum. Formerly called Picoa carthusiana, this type of truffle is less common compared to the Oregon white truffles. 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. Usually, it is washed with water and then brushed to get rid of soil deposits. Make sure that its covering is clean because you are not supposed to peel it. The main component of truffles and mushrooms in general is carbohydrates composed of glycogen and chitin or also called the fungus cellulose which is a structural component of the fungal cell wall. However, compared to other vegetables, truffles have lower proportions of carbohydrates. This is also very good for people suffering from diabetes because truffles have low value of energy.