Steps
This soup is a healthy meal option and contains a variety of nutrients. One serving of lentil soup contains 163 calories. If you follow a 2,000-calorie-per-day diet, this accounts for 8.1 percent of your daily calorie allowance.
How do you make lentil soup in a slow cooker? Combine water, ham, tomatoes, lentils, onion, carrots, celery, garlic, pepper, salt, thyme, and bay leaf in a slow cooker. Cover and cook on LOW until lentils and vegetables are as soft as you like, 6 to 8 hours.