Ingredients ——————— Flour-1 cup Baking soda -1/4 tspn Baking powder -1 tspn Cornflour-3 tblspn Cocoa powder-2 tblspn Egg-4 Vanilla essence-1 tspn Sugar powder-1 cup Butter-1 tsp Milk -2 tspn Chocolate ganache ——————————— Dark chocolate-1 cup Whipping cream-3/4 cup Butter-1 tsp Frosting ————— Whipping cream-1 cup Sugar powder-2 tblspn Vanilla essence-1 tspn Nutella-3 or 4 tblspn Hazelnuts Chocolate