Separate the egg. Knead the flour, icing sugar, espresso and cappuccino powder, butter in flakes and egg yolks to a smooth dough. Wrap dough in foil. Place in the refrigerator for 30 minutes. Cut the macadamia in half.
Roll out the dough on a floured work surface 4-5 mm thin. Cut strips (5 x 1.5 cm) from the dough. Put the dough strips on 2 baking trays covered with baking paper. Whisk the egg white. Brush the dough strips with it. Cover each dough strip with 3 macadamia halves, pressing carefully. Bake in the preheated oven (electric oven: 200 °C on medium rack/ convection oven: 175 °C/ gas: level 3) for 10-12 minutes. Let cool on a cake rack. Cut the chocolate coating into pieces and melt over a hot water bath. Cover the cappuccino and macadamia strips with the chocolate coating.
Cover each dough strip with 3 macadamia halves, pressing carefully. Bake in the preheated oven (electric oven: 200 °C on medium rack/ convection oven: 175 °C/ gas: level 3) for 10-12 minutes. Let cool on a cake rack. Cut the chocolate coating into pieces and melt over a hot water bath. Cover the cappuccino and macadamia strips with the chocolate coating. Let it set. Then decorate with gold leaf as desired
waiting time approx. 1 1/2 hours