One of Betty Crocker's most enduring legacies is her series of cookbooks, though she didn't publish her first ("Betty Crocker's Picture Cook Book") until 1950, nearly 30 years after her creation.

Vintage 1950 Betty Crocker Cookbook found with Neil Hunt ... products were being developed using her name, among the first Bisquick, described as a "miracle mix." It had been created by a chef ...

Not only did that bring back memories of my early cooking days and her classic, red "Betty Crocker's Picture Cookbook," but I ... among the first Bisquick, described as a "miracle mix." ...