Shortbread Lemon Bars

Directions

1. 1
   In a food processor, combine flour, powdered sugar and lemon and orange peel.
2. 2
   Cut in butter until crumbly; process until mixture forms a ball.
3. 3
   Pat into a greased 13X9 baking pan.
4. 4
   Bake at 350 for 12-14 minutes or until set and the edges are lightly browned.
5. 5
   Meanwhile, in a mixing bowl, combine the filling ingredients; mix well.
6. 6
   Pour over hot crust.
7. 7
   Bake for 14-16 minutes or until set and lightly browned.
8. 8
   Meanwhile, in a bowl, combine topping ingredients.
9. 9
   Spread over filling.
10. 10
    Bake 7-9 minutes longer or until topping is set.
11. 11
    Cool on a wire rack.
12. 12
    Refrigerate overnight.
13. 13
    Cut into bars just before serving.