Thumbprints
["1 c. butter", "1/2 c. brown sugar", "1 tsp. vanilla", "2 c. flour", "2 egg yolks", "1 c. nuts"]
["Mix all ingredients together.", "Roll into small balls.", "Put egg whites in a small bowl and roll each ball into egg whites.", "Roll into nuts.", "Put on cookie sheet.", "Make thumbprints in each ball before baking.", "Bake at 350\u00b0 for 8 to 10 minutes.", "Cool.", "Put icing, jelly or chocolate kiss in center to decorate."]
["butter", "brown sugar", "vanilla", "flour", "egg yolks", "nuts"]