Potato Chip Cookies(Aunt Lucy)  
["2 c. potato chips, crushed (1 bag or 2 bag box)", "3 c. flour", "1 1/2 c. shortening (3 sticks margarine)", "1 c. sugar", "2 egg yolks", "1 tsp. vanilla", "1 c. nuts or 1/2 c. coconut"]
["Combine ingredients.", "Roll in small balls, then in sugar. Press down with fork.", "Bake 15 minutes in 350\u00b0 oven."]
["potato chips", "flour", "shortening", "sugar", "egg yolks", "vanilla", "nuts"]