Root plant to fuel the process. In return, the plant takes nitrogen compounds produced from ammonia by the bacteria. The term root crops refers to any edible underground plant structure, but many root crops are actually stems, such as potato tubers. Edible roots include cassava, sweet potato, beet, carrot, rutabaga, turnip, parsnip, radish, yam and horseradish. Spices obtained from roots include sassafras, angelica, sarsaparilla and licorice. Sugar beet is an important source of sugar. Yam roots are a source of estrogen compounds used in birth control pills. The fish poison and insecticide rotenone is obtained from roots of "Lonchocarpus" spp. Important
Tasting menu back centuries, but some trace the latest evolution to the mid-1990s and two highly lauded restaurants, Chef Ferran Adrià's El Bulli in Spain, and Chef Thomas Keller's French Laundry, in Napa Valley, north of San Francisco in the U.S., that offered tasting menus of 40 courses or more. Tasting menus have since become increasingly popular, to the point where, in 2013, "New York Times" food critic Pete Wells noted, "Across the country, expensive tasting-menu-only restaurants are spreading like an epidemic." Tasting menu A tasting menu is a collection of several dishes in small portions, served by a restaurant as a