1 can sliced beets
1 tbsp. flour or cornstarch
2 tbsp. sugar
3 tbsp. white vinegar

Drain beets and save juice. Mix flour or cornstarch and sugar together; add vinegar slowly, stirring to prevent lumps. Add beet juice and cook over low heat until mixture thickens, stirring constantly. Add the beet slices, simmer until they are thoroughly hot.