Directions:
Place liner in slow cooker. Add potatoes, onion, celery, broth and water; mix together.
Cover and cook on low setting for 6-8 hours.
Pour milk into a small bowl. Mix flour into milk. Once combined, pour into potato mixture to thicken.
Increase heat to high. Cover and cook for an additional 20-30 minutes.
Stir in cheese until melted.
Serve in bowls, garnishing with bacon crumbles and green onions.
Enjoy!