Rinse lentils and drain.
In a Dutch oven combine lentils, water, carrots, onions, celery, garlic, curry powder, ginger (or use 1/4 t ground ginger), and salt. Bring to boiling; reduce heat. Cover and simmer for 30 minutes or till lentils are tender.
In a medium mixing bowl stir together yogurt, tomato, and parsley, if desired. Serve with lentil mixture.
Per serving: 242 calories, 16 g protein, 43 g carbohydrates, 2 g fat, 4 mg cholesterol, 446 mg sodium, 811 mg potassium.
Add crunch to the meal with toasted pita bread wedges.