Robina Weiser-Linnartz (right), a master baker and confectioner at work as a baker and pastry chef at Bastians Restaurant and bakery in Cologne, Germany. (Robina Weiser-Linnartz is featured in the book What I Eat: Around the World in 80 Diets.) The caloric value of her day's worth of food in March was 3700 kcals. She is 28 years of age; 5 feet, 6 inches and 144 pounds.