Slow Cooker Loaded Baked Potato Soup

Russet potatoes (4 large potatoes (about 4 cups))

Onion (chipped, 1 cup)

Chicken broth (3 1/2 cups)

Butter (4 tbsp)

Flour (1/4 cup)

Sour cream (1/4 cup)

Heavy whipping cream (1 1/2 cups)

Salt (1 tsp)

Pepper (1/2 tsp)

Bacon cooked and crumbled (1 1/2cup)

Shredded cheese (1 1/2 cup)

Green onions (diced, 1/2 cup)