Frosted Shortbread

Directions

1. 1
   In a mixing bowl, cream butter and brown sugar.
2. 2
   Add egg yolk and vanilla; mix well.
3. 3
   Combine flour and salt.
4. 4
   Add to creamed mixture.
5. 5
   Press into a 15 by 10 inch baking pan.
6. 6
   Bake at 350 for 15-18 minutes or until golden brown.
7. 7
   Immediately place candy bar pieces over crust.
8. 8
   Let stand for 1 minute, or until softened; spread evenly.
9. 9
   Sprinkle with walnuts.
10. 10
    Cool and cut into squares.