Amid global egg shortages, let’s look back at a wartime staple: powdered eggs. “Eggs are extremely perishable and fragile, and so there is always a lot of interest in trying to extend that shelf life ...

A focus on certain types of power foods helped the nation survive a blockade. A British shopkeeper cancels the coupons in a homemaker's ration book for the tea, sugar, cooking fats and bacon during ...