Viennese style pastries have always been popular in Mexico, and when I was a kid, mocha buttercream torte (pastel vienés de moka) was a classic item to find on the menu at restaurants and tea parlors. Slices from round or slab mocha cakes were tempting treats to enjoy with a cup of coffee (or a glass of milk in my case). I have construed my homemade version of this Classic Mocha Slab Cake with two layers of coffee-flavoured chocolate cake, and a rich coffee and cocoa buttercream filling and icing. The cake is finished with chocolate shavings … click on title for more
