Cheeseburger Soup

1/2 lb. ground beef;3/4c.chopped onions;3/4c.diced carrots;3/4c.diced celery;1t.basil;1t.dried parsley flakes;4T.butter,divided;3c.chicken broth;4c.diced potatoes;1/4c.flour 8 oz. Velveeta cheese;11/2c.milk;1t.salt;1/4t.pepper;1/4c.sour cream.
In a 3 qt.skillet,brown meat & onion.drain & set aside.in same pan,saute carrots,celery,basil& parsley in 1T.butter until tender.Add broth,potatoes & meat.Bring to a boil.Cover & simmer until potatoes are tender.Meanwhile,in a skillet,melt remaining butter,add flour.Cook & stir until bubbly.Add milk,salt,pepper & cheese.Heat & stir for 5 min. until smooth.Add to soup.Remove from heat.Add sour cream.Do not boil after it is all together. DELICIOUS! serves 8