1 c. butter
1 c. brown sugar
1 egg yolk
1 c. flour

Cream butter, brown sugar and egg yolk together. Stir in flour. Spread in 15 x 10 pan. Bake at 350 degrees for 15 to 20 minutes. 6 (1 1/2 oz.) milk chocolate bars. Melt on hot cookie. Spread chocolate, cover with 2/3 cup finely chopped nuts. Let set in refrigerator. Cut into diamond shapes.