Curry Chicken without sprouts meat

1/2 cup of chopped onion 2 tablespoons butter or 2 tablespoons margarine 2 cups frozen vegetables (peas, carrots, etc.) or 2 cups assorted fresh vegetables[...]

2 tablespoons cornstarch 1 tablespoon curry powder 1 teaspoon curry powder 1/4 teaspoon crushed red pepper flakes 2 cups chicken broth 2 tablespoons soy sauce[...]

2 chicken breasts (boneless, skinless) 2 tablespoons oyster sauce 1 cup barley 2 white potatoes 2 carrots 4 cups celery 8 garlic cloves (thinly sliced) 2 red[...]