Potato Chip Cookies
["1/2 lb. butter", "1/2 lb. margarine", "2 tsp. vanilla", "1 c. sugar", "3 3/4 c. flour", "1 1/2 c. potato chips, crushed"]
["Cream butter and margarine until fluffy.", "Add vanilla and sugar.", "Beat well.", "Add flour and beat until well blended.", "Add crushed potato chips.", "Drop by heaping teaspoonful onto ungreased cookie sheet.", "Bake at 350\u00b0 for 13 to 15 minutes."]
["butter", "margarine", "vanilla", "sugar", "flour", "potato chips"]