The components in this recipe can easily be prepared in advance. Use a rimless baking sheet or an overturned rimmed baking sheet to bake the meringue. Instant coffee may be substituted for the espresso powder. To skin the hazelnuts, simply place the warm toasted nuts in a clean dish towel and rub gently. We recommend Ghirardelli Bittersweet Chocolate Baking Bar with 60% cacao for this recipe. **For the amount of time, this should be made the day before or split between two days. Cook time includes chill times.