Chocolate Scottish Shortbread Cookies

I absolutely love Scottish shortbread! It's buttery, very lightly sweetened, and tenderly-crisp. I 've formed them into triangles, medium sized galettes as shown, 1" round buttons sandwiched with a fabulous frosting, the base for all of my Streusel Bars, plus the buttery-moist and sandy topping for bars, and added all kinds of things to the batter itself. I even made them into cutout "spoons"