1 (1 lb.) can beets
1/4 c. vinegar
1 tbsp. flour or cornstarch
1/2 c. sugar
1/2 tsp. salt
1 tbsp. butter

Drain liquid from beets into saucepan, boil down to half. Shake together vinegar and flour. Stir into boiling mixture. Add sugar and salt. Bring to a boil. Add beets and butter, heat through.