German Lentil Soup With Frankfurters - cooking recipe

Ingredients

2 medium onions, peeled & chopped
2 medium carrots, scraped, chopped
2 tablespoons salad oil
2 cups lentils, washed & drained
1 1/2 teaspoons salt
1 lb frankfurter, sliced thickly
1 garlic clove, crushed
2 stalks celery, cleaned, chopped
8 cups water
bay leaf
1/4 teaspoon pepper
2 tablespoons cider vinegar

Preparation

Saute onions, garlic, carrots, and celery in heated oil in a large kettle for 5 minutes.
Add water, lentils, bay leaf, salt, and pepper.
Bring to a boil.
Lower heat and cook slowly, covered, about 30 minutes, until lentils are just tender.
Add frankfurters and cook another 10 minutes.
Remove from heat and stir in vinegar.
Remove and discard bay leaf.