Fran'S Easy Shortbread Bars

Directions

1. 1
   Cream icing sugar and butter until fluffy.
2. 2
   Combine flours and add to the butter mixture, in small portions.
3. 3
   Turn batter out into a sided 15 x 9 cookie pan or jelly roll pan. Press to the sides and smooth with the back of a spoon.
4. 4
   Score into bars with a sharp knife and prick the surface with a fork. Sprinkle with the 2 tbsp of sugar.
5. 5
   Bake 10 minutes at 350°, then lower the oven to 300°. Bake for 30 - 40 minutes.
6. 6
   Remove from oven and immediately cut along the scored lines.
7. 7
   Cool, then store in an airtight container.