Chocolate Chestnut Torte

It’s very rare that we make a fire in the fireplace—which is often occupied by bowling pins rather than firewood—but when we actually do, we always use the heat from the smoldering cinders to roast chestnuts at the end of the day. The smoke imparts such an incredible flavor, unrivaled by other cooking methods, it’s hard not to simply eat them out of hand. However, my favorite pastry application for them when I can restrain myself is this mousse, very simple in preparation and ingredients, b