We take a large plate, put the flour and baking powder,the melted and cold butter, and half of the butter can be made and half of the margarine and rub it between the hands until butter gets into the flour and can sifted until everything becomes smooth, then we add an egg, vinegar and perfume, the powdered milk and combined with water and flower water until we get a soft dough that is not sticky And let it rest for at least an hour