Lots of factors contributed to families abandoning from-scratch meals , but feminism isn't one of them.
"The mid-century transition from scratch-cooking to using prepared foods had nothing to do with Betty Friedan and everything to do with industrialization. In the years following World War II, corporations began trying to market wartime advances in canned and frozen food technologies to the domestic market. To do so, they aggressively courted housewives with pitches about "quick skillet suppers" of Spam and "ready to serve" Swanson chicken in a can. They sold these foods as more modern, more nutritious, easier, and just plain better than old-fashioned from-scratch cooking. ....