Cheeseburger and Fries Chowder

Name: Cheeseburger and Fries Chowder
Ingredients: 1-1 1/2 pound(s) lean ground beef; 3/4 cup(s) chopped onion; 2/3 cup(s) diced celery; 2/3 cup(s) diced carrots; 4 ounce(s) baby portabello mushrooms, diced; 1 teaspoon(s) dried basil; 1 teaspoon(s) dried parsley flakes; 2 tablespoon(s) olive oil; 1 pound(s) red potatoes, peeled and diced; 4 cup(s) chicken broth; 4 ounce(s) pkg Idahoan instant mashed potatoes, loaded baked or four cheeses flavor; 2 cup(s) shredded cheese (I used colby, monterey jack, and gouda); 1/4 cup(s) whipping cream; 1/4 cup(s) sour cream; 1/2-1 teaspoon(s) black pepper