1. Preheat oven to 400 degrees F.
2. In baking dish put the beets. Sprinkle with the oil, vinegar and salt to taste. Cover the beets with foil.
3. Bake in the preheated oven for around 1 hour or till the beets are fork tender.
4. In a serving plate, serve the beets in salads or as a side to any meat dish of your choice.