For appearance, simply take a good look at your cocoa powder. If you see any signs of mold or discoloration, toss it. When checking the aroma, take a good sniff (making sure not to get any inside ...

Pour the batter in a cake mold and bake at 180°C (350°F) for about 25-30 minutes. Once your cake layers have cooled, slice each cake layer horizontally into two, creating four thin layers. For added ...