Cheeseburger Chowder

1/2 lb Hamburger, Browned
4 Cups Potatoes, Diced
3/4 Cup Onions, Chopped
1/4 Cup Flour
3/4 Cup Carrots, Shredded or Diced
8 oz Velveeta
3/4 Cup Celery, Diced
1 1/2 Cups Milk
1 Teaspoon Dried Basil
3/4 Teaspoon Salt
1 Teaspoon Parsley Flakes
1/4 Teaspoon Pepper
3 Cups Chicken Broth
1/4 Cup Sour Cream

Saute onion, carrots, celery, basil and parsley in 1 T butter for about 10 minutes. Add brother, potatoes and hamburger. Bring to a boil. Reduce heat, cover, and simmer for 10-12 minutes, or until potatoes are tender. Meanwhile, in a small skillet, melt about 3 T butter. Add flour and cook, stirring, for about 3-5 minutes or until bubbly. Add to soup. Bring to boil. Cook and stir for 2 minutes. Reduce heat to low. Add cheese, milk, salt and pepper. Cook and stir until cheese melts. Remove from heat and stir in sour cream.