Beets with Horseradish-Dill Butter

1 bunch of beets, diced into large pieces
2 tbsp butter
2 tbsp horseradish
1 tbsp cider vinegar
1 tbsp chopped dill

Steam beets in a covered medium-size saucepan for 30 minutes, or until tender. Drain, peel skins, and place in a serving dish. Keep warm. Melt butter in a small saucepan, then stir in remaining ingredients. Pour mixture over beets and toss well.

from: The Cook's Garden