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
Portuguese sweet bread Portuguese sweet bread Portuguese sweet bread (Portuguese: "pão doce" "sweet bread" or "massa sovada" "kneaded dough") is a bread made with milk, sugar, eggs, yeast, flour and sometimes lemon peel to produce a subtly sweet lightly textured loaf or rolls. A slightly different recipe is made during Easter that is known as "folar" and often contains a hard-boiled egg. Portuguese sweet bread is traditionally made around Christmas, and the Easter version is made around Easter, but it is also available year-round. It is traditionally baked in a stone oven known as a "forno". The bread is usually served simply with