Mix sugars, raisins and chocolate chips in 1-gallon size ziptop bag. In small mixing bowl, combine flour, baking powder and baking soda,then add to ziptop bag. Toss all together in bag. Preheat oven to 375�. Grease baking pan with vegetable oil spray. Empty contents of bag into large bowl. Add margarine, egg and vanilla. "Use your clean hands" to mix. Keep mixing until dough sticks together. Shape dough into balls the size of a walnut. Place cookies 5 cm apart on pan. Bake in preheated oven dozen to 15 minutes until tops are lightly browned. Let cool 5 minutes, then remove from pan. Makes about 2 to 3 dozen.