Dacquoise Biscuit with Hazelnuts

• 7½ oz (210 g) ground hazelnuts
• 8 oz (230

On a baking sheet covered with parchment paper, roast the ground hazelnuts in the oven at 300°F (150°C) for 10 minutes. Sieve together the confectioners sugar and the roasted ground hazelnuts. Beat the egg whites, adding the superfine sugar in three batches, until you get a soft meringue. By hand, add the sieved mixture, gently lifting and turning the preparation with a spatula. Lay a baking fr