Brown the ground beef in a 3-quart saucepan.
1 pound ground beef
Add the butter, onion, shredded carrots, parsley, basil, and celery. Sauté until the vegetables are tender, about 5-7 minutes.
¾ cup onion, ¾ cup carrots, ¾ cup celery, 1 teaspoon dried basil, 1 teaspoon dried parsley, 2 tablespoons butter
Add the broth and potatoes to the saucepan. Bring to a boil, then reduce heat, cover, and simmer for 10-12 minutes, or until the potatoes are tender.
3 cups chicken broth, 4 cups peeled and diced potatoes
Mix the flour and milk until dissolved.
¼ cup all-purpose flour, 1 ½ cups milk
Reduce the heat to low and stir in the cheese, milk and flour mix, salt, and pepper. Simmer until the soup has thickened and the cheese has completely melted.
2 cups cheddar cheese, Salt and pepper
Remove from heat and blend in the sour cream until smooth.
¼ cup sour cream