Alfalfa seeds are sprouted to give a fine, crisp plant stem, and it is these sprouts that are eaten in salads, sandwiches or stir–fries (toss them in at the last minute or they will wilt quickly when heated). Alfalfa belongs to the legume family and is closely related to beans and peas. Buy crisp alfalfa sprouts with a fresh smell and roots that are moist and white. Avoid sprouts with brown tips or those that are starting to look a bit slimy. To keep the sprouts crisp and fresh, put them in a bowl filled with water and keep them in the fridge, changing the water daily.