Cheeseburger Broccoli Soup

Name: Cheeseburger Broccoli Soup
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: American
Ingredients: 1 pound ground beef; ¾ cup chopped onion; ¾ cup shredded carrots; 2 cups broccoli (chopped); 1 teaspoon dried basil; 1 teaspoon dried parsley flakes; 4 tablespoons butter (divided); 3 cups chicken broth; 4 cups peeled and diced potatoes; ¼ cup all purpose flour; 2 cups shredded cheddar cheese; 2 cups milk; ¾ teaspoon salt; ¼ to ½ teaspoon pepper; ¼ cup sour cream; 1 teaspoon worcestershire sauce; optional toppings: bacon bits (green onions, cheese)