Easy Black Bean Soup

Ingredients
- 2 Tbsp butter or margarine
- 14 c minced onion
- 1 11 oz can condensed black bean soup
- 1 12 c water
- 1 Tbsp lime juice
- 3 frankfurters
Directions
- Melt butter in saucepan add onion and cook until tender but not brown
- Add soup and water bring to boiling point
- Add lime juice
- Slice frankfurters into 14-inch rounds add to soup and heat thoroughly
- Makes 4 generous servings