Toffee Squares

Directions

1. 1
   Cream butter and brown sugar until fluffy and add egg yolk and vanilla.
2. 2
   Gradually beat in flour until smooth and blended. (Dough will be thick.)
3. 3
   Spread evenly on ungreased 16 x 14 x 1-inch baking pan.
4. 4
   Bake at 350° for 15 minutes.
5. 5
   Remove from oven and arrange unwrapped candy bars evenly near surface of crust. Let stand for 5 minutes to soften.
6. 6
   Spread over crust and sprinkle nuts over top.
7. 7
   Cut into squares.