Gelatin is made from the skin or hides of animals. Truffle hunters have to depend on animals that are skilled to acknowledge the scent of truffles growing underground! Truffles develop in the roots of trees, and choose only specific soils and trees. Truffles are cultivated on three farms across B.C., the place Mediterranean truffles (together with Perigord) are grown by cultivating them on the roots of orchard bushes, usually hazelnuts bushes. The rationale truffles are so expensive comes down to provide and demand. Place the potato half reduce aspect down and lower off a ¼-inch slice, then lay the slice on its aspect and cut it into several lengthy strips. 3. Place the fries in a big bowl with the olive oil and kosher salt. Place 1 teaspoon truffle oil, mushrooms, and thyme in pan; cook 4-5 minutes or until mushrooms are golden.