Boil them first, and then scrape and slice them. Put them into a stew-pan with a piece of butter rolled in flour, some boiled onion and parsley chopped fine, and a little vinegar, salt and pepper. Set the pan on hot coals, and let the beets stew for a quarter of an hour.
Directions for Cookery, In Its Various Branches.
Ladies and Professional Cooks.
The Whole Science and Art of Preparing Human Food. (Year 1840)