My mom, as the youngest of half a dozen children, was pretty much raised by her live-in great-grandmother, who was from Poland and who only spoke Polish, all the way through second grade, when her great-grandmother died.
Then, when I was like 20, I was working in a national park, and every season we would get a different batch of student coworkers from a different part of the world on a student work visa. One season, it was Polish. It was like living in Poland in California; I loved it.
Here’s a link to No-waste Polish Chocolate Truffles. I haven’t made them, but I love this article just for the delicious stories, and I bet the truffles are good, too. Ziemniaczki, they’re like stone soup but for truffles.