Some day I will do a internet deep dive which generation of Americans shifted to premade mixed and stopped cooking things from scratch. Nothing wrong with that, just different especially in grandma generation.
Fwiw about the "adding egg" to the mix
And don't forget to make a correction adjustment between your grandma generation and whatever text you would find.
If you really go down the rabbit hole, you start to see how many of the foods that baby boomers grew up on were first fed widely to the parents during the war.