Meatless Mondays, Wheatless Wednesdays, vegetable gardens and chickens in every empty lot. When the United States entered World War I, Minnesotans responded to appeals for personal sacrifice and changed the way they cooked and ate in order to conserve food for the boys "over there." Baking with corn and rye, eating simple meals based on locally grown food, consuming fewer calories, and wasting nothing in the kitchen became civic acts. High-energy foods and calories unconsumed...