I visited England recently and fell in love with this treat. I made a batch, and then made them again to change a couple of things and solidify the recipe. So here you go, this recipe as adopted by me from a few online sources. Millionaire’s Shortbread Ingredients Shortbread: 1 cup (2 sticks) butter, salted or unsalted 1/2 cup (3 1/2 ounces) granulated sugar 2 1/2 cups (12 1/2 ounces) all-purpose flour 3/4 teaspoon salt