Mexican Chocolate Custard Cake is our favorite chocolate cake. This fabulous cake is flourless, supremely decadent, dead simple to make, and perfectly balances the subtle spiciness of ancho and cinnamon with a dark fudgy texture. But perhaps the most eloquent endorsement: an enormous bite mark and accompanying slobber stains across the recipe from our sleepy greyhound Leo, who, apparently knows a good recipe when he sees one! While you may be wondering about the wisdom of making a spect...