If you forget to reserve the liquid from cooking your beets, you can boil the skins that you peel from your beets.
Beets
Vodka
Cook beets as you normally would in a bit of water. Eat the beets, then reduce the leftover liquid in the pot until it thickens. Add a splash of vodka. Pour into a glass roll-on container.
(Courtesy of Béa Johnson, founder of the blog ZeroWasteHome.com)