We don't have many Dutch descended people down here. Well, Pennsylvania Dutch came down way back, but that's a corruption of Deutsch.
That said, I discovered that mashed turnips with a little horseradish, treated like mashed potatoes otherwise (butter) are quite good, to my astonishment. We've always eaten the greens but throw the turnips themselves to the hogs, lol.
As you indicate, "Pennsylvania Dutch" is German. My people. Harder to get along with than Hollanders.
That said, I discovered that mashed turnips with a little horseradish, treated like mashed potatoes otherwise (butter) are quite good, to my astonishment.
We called rutabagas "turnips" too, and I really like them. But add one peeled small/medium potato when boiling cut-up rutabaga makes it very mashable and tempers the flavor. I'll try the horseradish, sounds very good!