1/2 c Butter 1/4 c Shortening 1/2 c White sugar 1/2 c Brown sugar 2 Eggs 2 t Vanilla 1 1/2 c Flour 1/2 t Baking powder 1/2 t Salt 2 c Semisweet chocolate pieces Make 8" foil "pans" so cookies will hold shape. Mix all in order given. chill dough 3 hours - 3 days. From Marie Campbell