Slow Cooker Baked Potato Soup

Combine potatoes, chicken broth, onion, butter, salt, and pepper in a slow cooker. Cook on Low, stirring hourly, for 4 to 6 hours.

Mash potatoes and onions into pieces smaller than 1/2 inch. Cook for 1 more hour. Stir in heavy cream, 2 cups Cheddar cheese, and scallion greens until heated through and cheese has melted.

Serve in large bowls. Garnish with bacon, remaining Cheddar, and sour cream.