Chicken and Wild Rice Soup

2 quarts chicken broth
1/2 pound fresh mushrooms, chopped
1 cup finely chopped celery
1 cup shredded carrots
1/2 cup finely chopped onion
1 teaspoon chicken bouillon granules
1 teaspoon dried parsley flakes
1/4 teaspoon garlic powder
1/4 teaspoon dried thyme
1/4 cup butter or margarine
1/4 cup all-purpose flour
1 (10.75 ounce) can condensed cream of mushroom soup, undiluted
1/2 cup dry white wine or additional chicken broth
3 cups cooked wild rice
2 cups cubed, cooked chicken
Directions

In a large saucepan, combine the first nine ingredients. Bring to a boil. Reduce heat; cover and simmer for 30 minutes.
In a soup kettle or Dutch oven, melt butter. stir in flour until smooth. Gradually whisk in broth mixture. Bring to a boil; cook and stir for 2 minutes or until thickened. Whisk in soup and wine or broth. Add rice and chicken; heat through.