unpeeled swwet potatoes, cut into 1/2 inch pieces, about 2 cups. • green pepper, cut into strips or cubes, about 2 cups. • red pepper, cut into strips or cubes, about 1 cup • zucchini, chopped, about 2 cups • salt • chopped onion • worcestershire sauce • quick cooking tapioca ( or flour, or some other thickening agent) • chicken thighs or drumsticks • 15 oz cans of tomato sauce • packed brown sugar • ground yellow mustard •