Scrub the beets, and cut the ends off. Use a mandolin (if you have one) to slice them into thin coins. Transfer the beet chips to a medium bowl, and season with the olive oil and salt. Spread them out into an even layer on a baking sheet, and bake for 20 minutes.
Method
Preheat the oven to 350°F.
Remove from the oven and allow to cool right on the baking sheet—they’ll crisp up a bit as they do—and serve.
