Hot German Green Bean Salad

1 1/2 pounds green beans (about 6 cups cut in 1 inch pieces)
- cook, covered in boiling water until barely tender (about 5 minutes). Drain, reserve 1/4 cup cooking liquid.

6 slices bacon
- Fry until crisp; remove all but 2 tablespoons drippings from frypan. Drain bacon and crumble. Set aside.

2 tablespoons sugar
1 tablespoon lemon juice or white vinegar (I used lemon juice)
1/2 teaspoon salt
1 small onion chopped
- Add to bacon drippings along with reserved cooking liquid.

1/4 cup cold water
2 teaspoons cornstarch
-Mix together separately, stirring until dissolved. Stir into frypan. Cook until thick and clear, stirring constantly. Add cooked beans and heat through. Sprinkle with bacon and serve.