1 can green beans
1 can wax beans
1 can red kidney beans
1 can garbanzo beans
1 lg. white onion

DRESSING:

1/2 c. vinegar
1/4 c. sugar
1 tsp. salt
1 tsp. dry mustard
1/4 c. salad oil

Mix beans and onion together in large bowl.

TO MAKE DRESSING: In saucepan bring vinegar and sugar to a boil. Add salt, dry mustard and oil whisking to mix thoroughly. Pour hot dressing over beans and cool. Refrigerate overnight before serving.