Directions for Cooking by Troops, in Camp and Hospital: Prepared for the Army of Virginia, and Published by Order of the Surgeon General, with Essays on "Taking Food," and "What Food.

Directions for Cooking by Troops, in Camp and Hospital, published in 1861 by Florence Nightingale, is a practical manual on military cooking and nutrition during the American Civil War. This scientific publication provides detailed recipes and methods for preparing large quantities of food for soldiers and patients, emphasizing the importance of proper nourishment in maintaining health and morale. Nightingale's work includes essays on meal timing and nutritional needs, making it a vital resource for understanding the relationship between food and health in military contexts.