Harvard Beets
["2 1/2 cups canned beets", "1/2 cup sugar", "1/2 tablespoon cornstarch", "4 tablespoons vinegar", "1/4 cup water", "2 tablespoons butter"]
["Mix all above ingredients, except beets.", "Bring to a boil and boil for 5 minutes.", "Add beets and bring to a boil.", "Serve warm."]
["beets", "sugar", "cornstarch", "vinegar", "water", "butter"]