Tucked away on a quiet road in a small rural town of Mansfield, Texas, Mildred Dalton is busy in her kitchen making pastries and pies. Her husband, Jessie Otis Dalton, operates a one-room grocery store in Fort Worth, Texas. Each day, Jessie takes several of her pastries and merchandises them alongside other food items in his store. Meanwhile, not one for waste, Mildred realizes she is using a lot of egg whites for pastry meringues, but hardly any of the leftover egg yolks. She decides to use the unused egg yolks to make homemade mayonnaise for her family and neighbors.