This gluten-free chocolate cake is so decadent and moist, you’ll never guess its secret ingredient – black beans! The key to making a sugar-free cake taste good. Chocolate cake recipes, including devil’s food, molten chocolate cake, flourless chocolate cake, red velvet chocolate cake, and more from Martha Stewart. I was just introduced to the southern delicacy that is Chocolate Cola cake (aka coca-cola cake) while visiting Charleston, SC early this…