Harvard Beets - cooking recipe

Ingredients

12 small beets, cooked and sliced
1/4 tsp. salt
1/2 c. sugar
2 tsp. cornstarch
1/2 c. mild vinegar
2 Tbsp. butter

Preparation

Mix salt, sugar and cornstarch and add vinegar.
Heat in the top of a double boiler over direct heat, stirring constantly. When mixture boils, place it over hot water and cook, stirring often for 5 minutes.
Add beets, stir and cover.
Let heat over hot water for at least 30 minutes.
Add butter and serve.