Hearty Lentil Soup Recipe Type: Soup Cook time: 1 hour 10 mins Total time: 1 hour 10 mins Serves: 8 Ingredients 2 celery ribs, thinly sliced 1 medium onion, chopped 1 garlic clove, minced 2 tablespoons butter 6 cups water 1 (28 oz) can diced tomatoes 3/4 cup dry lentils, rinsed 3/4 cup pearl barley