I'm looking for a recipe for a good chocolate cookie - or maybe more correctly, a biscuit. My platonic ideal is the chocolate biscuit from Fassbender.
On the recommendation of a friend, I stopped in at Fassbender while I was in Cologne. The cake and coffee I had was wonderful, but what made me happiest was the small chocolate biscuit - perhaps a chocolate shortbread cookie? that was the treat alongside the coffee. I bought a bag of them and brought them home and have since eaten them all and if it's possible to make them at home, I'd like to try. The cookies were small and coin-shaped, maybe about the size of a silver dollar. They were crisp and the sides had been rolled in sugar. At a guess, they were formed as a log and sliced?
They were really chocolatey-tasting, but also with the flavor of butter which is what makes me wonder if they're technically a shortbread. (I'm not a trained baker so hopefully my terminology is right.)
You can see the cookie here if that helps. It's balanced on the rim of the saucer.