French Crisps
["1 c. butter", "1 c. light brown sugar", "1 egg yolk, beaten", "1 tsp. vanilla", "2 c. flour, sifted", "1 large chocolate bar", "1 c. chopped nuts"]
["Cream butter and sugar together.", "Add egg yolk, vanilla and flour.", "Spread thinly on cookie sheet.", "Bake 15 to 20 minutes at 350\u00b0.", "Melt one large chocolate bar and spread on cookie immediately after removing from oven.", "Sprinkle nuts over top. Cut while warm."]
["butter", "light brown sugar", "egg yolk", "vanilla", "flour", "chocolate bar", "nuts"]