One thing that was a mandatory staple in our house, especially during the holidays, was my Babcia's homemade pierogi. I can't recall my Polish grandmother ever having a recipe card for her dough until later in life.
My mom, like her mother, seemed to recall how to make the dough off the top of her head. It was a pinch of this and a dash of that. This is where the phrase, "I don't need a recipe I'm Polish" originated for me. Luckily sometime in the early 1980's, my mom sat down with her mother and wrote out her recipe.
Sour Creme Pierogi Dough