"- Cake is best served the day it is made, but will keep refrigerated in a sealed container for up to two days. Bring cake to room temperature for about an hour before you plan to serve. - If you cannot find Dutch-process cocoa powder, I recommend using Hershey's Special Dark Cocoa Powder - The cakes was topped using homemade chocolate curls, you can find the recipe and tutorial here. - Adapted from Epicurious.com..."