Toffee Squares

Directions

1. 1
   Cream butter, add brown sugar and mix until light and fluffy. Add beaten egg yolk, vanilla and sifted flour.
2. 2
   Spread thinly on jelly roll-size pan.
3. 3
   Bake at 350° about 15 to 20 minutes or until light brown.
4. 4
   Melt chocolate in top of double boiler, spread on cookie surface while still warm.
5. 5
   Sprinkle nuts on top.
6. 6
   Cut in squares while warm and let cool.