When British explorer and Royal Navy captain James Cook set sail aboard the HMS Endeavour on August 26, 1768, for an expedition around the Pacific, he brought along 18 months of provisions. These included pigs, poultry, a goat for milking, and a large supply of portable soup. Also known as “pocket soup” or “veal glue,” the latter became a breakfast staple—often reboiled with celery and oatmeal, or mixed with hot water and green pea flour to create an edible porridge—among the ship’s officers and crew. Each sailor would get a…