Sugar Cookies(Easy, Old-Fashioned)  
["1/2 lb. oleo", "1 1/2 c. sugar", "3 beaten egg yolks", "1 tsp. vanilla", "1 tsp. soda", "2 1/2 c. flour"]
["Preheat oven to 325\u00b0. Mix oleo and sugar.", "Add beaten egg yolks.", "Add flour and all dry ingredients.", "Bake in ungreased pan for 12 to 15 minutes."]
["oleo", "sugar", "egg yolks", "vanilla", "soda", "flour"]