Curried Chicken without shells goose

1 small onion , peeled and finely diced 1/2 carrot , peeled and finely diced 3 stalks celery , finely diced 20 medium mushrooms , sliced 1/2 lb butter 3/4 cup[...]

4 cups chicken broth 2 medium carrots 2 stalks celery 1/2 teaspoon curry powder 1/8 teaspoon red pepper 1/2 cup brown rice 1 lb boneless skinless chicken[...]