Place the ground beef in a pot that fits in your air fryer basket - cook at 400ºF (200°C) for 15 minutes, or until it browns - you have to stir a few times in between.
1 pound ground beef
Add the butter, onion, shredded carrots, parsley, basil, and celery. Cook for another 10 minutes.
¾ cup onion, ¾ cup carrots, ¾ cup celery, 1 teaspoon dried basil, 1 teaspoon dried parsley, 4 tablespoons butter
Add the broth and potatoes. Cover and cook for 15 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
Add the roux, cheese, milk, salt, and pepper to the soup and cook for 5 more minutes.
2 cups cheddar cheese, Salt and pepper
Remove from heat and blend in the sour cream until smooth.
¼ cup sour cream
Serve warm and enjoy!