"Sitting Pretty" Cookies
["1 c. flour", "1/4 tsp. salt", "1/2 c. butter", "1/4 c. brown sugar", "1/2 tsp. vanilla", "1 egg yolk (save white)", "chopped nuts", "1 can sour cream frosting", "peanut M&M's"]
["Sift together flour and salt; set aside.", "Mix together the butter, sugar, vanilla and egg yolk.", "Add slowly to flour mixture. Roll into small balls; dip into egg white.", "Roll into chopped nuts.", "Bake at 350\u00b0 for 5 minutes.", "Remove and make thumbprint in center of each cookie.", "Put back in oven for 5 to 7 minutes longer.", "Let cool completely, then fill each hole with sour cream frosting.", "Garnish by placing 1 peanut M&M in center of frosting."]
["flour", "salt", "butter", "brown sugar", "vanilla", "egg yolk", "nuts", "sour cream frosting", "peanut"]