Miss M. M. Mitchell, author of The Treasure Cookery Book, published in 1913, was the superintendent of the Polytechnic School of Cookery on London’s Oxford Street. Her recipes are clear and easy to follow, and she continued to write during the Great War, advising girls who had little knowledge of cooking on how to get started. When Sybil bakes a cake for the first time in season 2, she’s echoing the experience of many women who threw
