Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
2         pounds        small red potatoes, cut into 1-inch pieces
1         pound         green beans, cut in half
1/2       teaspoon      salt
1/3       cup           margarine or butter
2         large         onions, chopped 
1/4       cup           balsamic or cider vinegar
1/4       cup           packed brown sugar
1/4       teaspoon      salt
6         cups          bite-size pieces leaf lettuce
                        Freshly ground pepper, if desired

Preparation:

1. Heat 1 inch water to boiling in Dutch oven. Add potatoes, green beans and 1/2 teaspoon salt. Heat to boiling; reduce heat to medium. Cover and cook about 10 minutes or until vegetables are tender; drain and set aside. 2. While vegetables are cooking, melt margarine in 12-inch skillet over medium-high heat. Cook onions in margarine 10 minutes, stirring occasionally, until golden brown. Stir in vinegar, brown sugar and 1/4 teaspoon salt. Pour onion mixture over potatoes and green beans; stir until coated. 3. Arrange warm vegetables on lettuce. Sprinkle with pepper.