Categories: Cookies 
      Yield: 1 servings 
  
      1 c  Butter 
    1/2 c  Brown sugar 
    1/2 c  Sugar 
      1 ea Egg yolk 
      1 ts Vanilla 
      2 c  Flour 
     10 oz Chocolate chips 
      1 c  Finely chopped nuts 
  
       Cream butter and sugar, add egg yolk and vanilla.  Stir in flour. 
  Spread mixture thinly on greased cookie sheet. Bake at 350 degrees 
  for 15 to 20 minutes. Melt chocolate over hot water and spread over 
  warm baked cookies. Sprinkle on nuts and press them firmly. Cut in 
  bars while still warm. Let stand until chocolate is dry.