I have to admit I never heard of Millionaire's Shortbread before. To me, this is just a bar cookie. OK not "just" a bar cookie. Quite a good bar cookie. There's a lot of flavor packed in there (also a lot of butter). I will be definitely making this again. Millionaire's Shortbread (Adapted from Cook's Illustrated) Crust: 2 1/2 c flour 1/2 c sugar 3/4 t salt 2 sticks butter (16 T), melted 1t vanilla Filling: 14 oz sweetened condensed milk 1 c brown sugar 1/2 c heavy cream 1/2 c corn syrup 1 stick butter (8T) 1/2 t salt Topping: 8 oz bittersweet chocolate (separated 6 oz and 2 oz) Line a 13x9 pan with aluminum foil. Set aside. Combine flour sugar, salt, butter, and vanilla. Spread evenly in the foil-lined pan. Pierce the dough at 1 inch intervals with a fork. Bake at 350 for 25-30 minutes, until lightly brown. Place on cooling rack and press entire surface down firmly using a spatula (I did not find that mine had that much of a rise that ...