Shortbread

Directions

1. 1
   Sift flour and confectioners sugar into bowl.
2. 2
   Cut in butter until crumbly.
3. 3
   Add egg yolks and vanilla.
4. 4
   Mix well.
5. 5
   Stir in chocolate chips. Spread in a 9 x 9-inch baking dish.
6. 6
   Bake at 300° for 40 to 45 minutes or until light brown.
7. 7
   Remove to wire rack to cool.
8. 8
   Cut into bars.
9. 9
   Yields 27 bars.