Place the potatoes, carrots, celery, onion, salt, pepper and broth into the slow cooker.
Cover and cook on high for 4 hours, until vegetables are tender.
In a small bowl, mix the cream, arrowroot or tapioca flour and all of the cheese except enough to top.
Pour into vegetable mix and stir.
Allow to cook for 15-20 minutes.
While that is cooking, cook your bacon until crisp.
Remove from heat and cut into little pieces.
Spoon soup into bowls and top with remaining cheddar cheese, bacon and chives.