Blended vegetables in a rich, creamy broth make this soup both comforting and healthy. Perfect as a vegetarian entrée or light lunch, especially when paired with warm bread.
In a slow cooker stir together the onion, butter or margarine, sweet potatoes, zucchini and broccoli. Pour in the chicken broth and stir. Add the potatoes, celery seed, salt and ground cumin and stir.
Cover and cook on low for 8 to 10 hours. Add the milk and cook for 30 minutes to 1 hour. Serve