In the 1900s, baker’s yeast was a true kitchen staple, with its uses extending far beyond the traditional bread-making we associate it with today. This versatile ingredient found its way into countless recipes and culinary creations. From leavening bread and rolls to enriching cakes and pastries, baker’s yeast played a crucial role in achieving the perfect texture and flavor. But its applications didn’t stop there. It was also used in brewing beer, fermenting wine, and even pickling vegetables. Additionally, baker’s yeast was employed as a natural remedy for various ailments, believed to aid digestion and promote overall well-being. As we delve into vintage yeast booklets on eBay, we uncover the fascinating array of forgotten uses and explore the rich history of this remarkable ingredient.