Loaded Baked Potato Soup

Name: Loaded Baked Potato Soup
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: American
Ingredients: 1 pound bacon (chopped, divided); 1 large onion (chopped); 2 stalks celery (chopped); 3 cloves garlic (minced); 1/4 cup all-purpose flour; 3 cups vegetable or chicken stock; 6-8 large potatoes (scrubbed and cubed); Salt and pepper (to taste); 3 cups heavy whipping cream; 3 cups sharp cheddar cheese (shredded, divided); Sour cream, green onions (optional, for topping)