Gather all ingredients before starting recipe.
Use pre-cooked beets or cook beetroots for 60 minutes in a pre heated 350° in a pan with 1/2 cup water and covered tightly with aluminum foil.
Allow to cool, then peel and set aside, when cool enough to handle, cut into quarters or 8th's . if you are using pre-cooked beets, cut into quarters, Pace in a deep bowl.
Mix dressing ingredients and pour 2/3 of the dressing over the beets.
Break feta into large uneven chunks and set aside.
Roll mint leaves into a cylinder and slice into 1/4" slices.
Add a large handful of the mixed greens, per person, into a deep mixing bowl.
Season salad greens with salt and freshly ground pepper, and then drizzle with olive oil, toss greens to combine.