1 tbsp. butter
1/4 c. diced onion
Garlic powder to taste
1 tsp. flour
1 c. green beans, reserve liquid
1 tsp. sugar
2 tbsp. vinegar

In skillet, brown onions in butter. When brown, add the flour; mix well and to this paste add water from beans; cook 5 to 10 minutes. Heat beans in separate saucepan. Add liquid to beans, followed by vinegar and sugar. Heat through.