Cheeseburger Soup is-
1 lb lean ground beef, 4 Tbsp unsalted butter, 3 cups chicken broth, 4 cups cubed potatoes, ¾ cup chopped onion, ¾ cup shredded carrots, ¾ cup diced celery, 2 cups shredded sharp cheddar, 1 ½ cups whole milk, ¼ cup sour cream, ¼ cup all-purpose flour, 1 tsp dried basil, 1 tsp dried parsley flakes, ¾ tsp salt, and ¼ tsp black pepper.