*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
**Nutrient information is not available for all ingredients. Amount is based on available nutrient data.
(-)Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.
Combine onion, carrots, celery, and garlic in a stockpot; add enough water to cover vegetables. Bring mixture to a boil; add oil, bay leaves, salt, and pepper. Reduce heat and simmer vegetables until slightly tender, about 15 minutes.
Stir lentils into soup; simmer until lentils are tender, 30 to 45 minutes. Stir in vinegar. Cool soup slightly before serving.