Back in the day, Shake 'n' Bake, at the time a product of General Foods, now part of Kraft, ran a series of ads featuring a character known as Pete the Butcher, who extolled the virtues of the product.
Shake 'n' Bake came in as many as three varieties, for chicken, barbeque, and pork. I remember my late mother using the chicken & pork mixes when I was young.
Not sure when Pete made his debut, but perhaps his most famous ad, which we'll post another day, featured TV icon Ann B. Davis (The Brady Bunch). Here, though, from 1972, is a bit with Judy Graubart (The Electric Company):