Melt-in-the-mouth, rich & crispy. Mix when convenient...slice and bake when convenient. Adapted from Betty Crocker's Picture Cook Book (1950 Edition). The original recipe called for shortening, but l prefer unsalted butter. You could use any solid fat, like coconut oil or even lard. That's up to you. Cooking time is for the entire batch, 2 dozen at a time. Prep time includes 2 hours for chilling. You may need more.