Separate stems from leaves, cut stems into 1/2 inch pieces, chop leaves separately, wash and put in strainer
Heat oil in large pan
Add beet stems and garlic and cook, covered, until stems just start to become tender
Add vinegar and heat through
Add beet greens (they should be wet enough not to need additional water added), stir to coat, cover pot, bring to simmer then braise 4-5 minutes until tender