In a lg saucepan over high heat, bring broth to a boil. Add rice, cover, reduce heat and simmer for 10 minutes. Add carrots, zucchini and celery and simmer, covered, for 10 minutes. In a sm saucepan over medium heat melt the butter. Stir in the flour and cook until bubbly. Remove from heat and gradually add milk, then stir in 1 cup of broth from soup mixture. Return to heat and cook until sauce is thick and bubbly. Stir sauce into soup mixture, add chicken and spices. Enjoy!