Cheeseburger Soup - Oryana

Ingredients

• 1 lb ground beef
• 2 tablespoons butter
• 1 small onion, chopped
• 1 stalk celery, chopped
• 1 carrot, sliced
• 1 bay leaf
• 4 tablespoons all-purpose flour
• 4 cups beef broth
• 1 dill pickle, chopped
• 1 tablespoon pickle juice
• 1 can diced tomatoes
• 1/2 cup sour cream
• 1 cup grated cheddar cheese
• salt and pepper