Crisp Chocolate Shortbread

In some Scottish circles, anyone who suggested putting chocolate into shortbread would be chased out of town to the sound of execration and bagpipes. Nevertheless, I’m sure chocolate lovers willing to disregard slight inauthenticity will like this shortbread —it’s intensely flavored, not too sweet, and delightfully crisp. Any reputable brand of unsweetened cocoa can be used, but if Dutch-process cocoa is available, do use it. Although this kind of cocoa is quite dark, in flavor it is milder