Harvard Beets
["1 pt. jar beets", "1/4 c. vinegar", "2 Tbsp. cornstarch", "2 Tbsp. sugar", "butter to taste"]
["Drain beets, reserving 3/4 cup beet juice.", "Combine vinegar, reserved beet juice and cornstarch.", "Heat beets in double boiler with butter and sugar.", "Add cornstarch mixture and cook over low heat until thickened, stirring frequently."]
["beets", "vinegar", "cornstarch", "sugar", "butter"]