The Ultimate Delicious Devil’s Food Cake Ingredients Cake:   75g unsweetened cocoa powder 240ml hot coffee 120g plain yogurt 2 tsp vanilla extract 195g all purpose flour 1 tsp baking soda 1/2 tsp salt 165g unsalted butter, at room temperature 265g granulated white sugar 6 tsp oil (vegetable or sunflower oil) 2 large eggs, at room temperature Icing: 180g dark ...