Toffee Squares

Directions

1. 1
   In a mixing bowl, cream butter and sugar.
2. 2
   Add egg yolk, vanilla, flour and salt; mix well.
3. 3
   Spread into a greased 13 x 9 x 2 inch baking pan.
4. 4
   Bake at 350 degrees for 20-25 minutes or until golden brown.
5. 5
   Melt chocolate in a heavy saucepan over low heat, stirring constantly.
6. 6
   Spread over hot bars.
7. 7
   Sprinkle immediately with nuts.
8. 8
   Cool; cut into 1-1/4 inch squares.