1. Add potatoes, onion, broth, and seasonings to a crockpot. Cook on high for 4 hours or low for 8 hours.
2. Mash some of the potatoes, then add cream cheese, shredded cheddar, and heavy cream. Cook until melted, about 30 minutes.
3. Before serving, stir in the cooked bacon.
4. Serve with sour cream, more cheese, bacon, green onion, or any of your favorite baked potato toppings!