For the dough mix 250 g sugar, nuts and spices in a bowl. Separate 1 egg. Whisk egg and egg yolk well. Stir the egg mixture into the nut mixture. Knead first with the dough hooks of the hand mixer, then with your hands to a smooth dough. Cover and chill for approx. 1 hour
Preheat oven (electric cooker: 150°C/ circulating air: 125°C/ gas: see manufacturer). Roll out the dough on the lightly sugar-sprinkled work surface to a size of approx. 22 x 25 cm and a good 1/2 cm thick
For the glaze, beat the egg white with 1 pinch of salt until very stiff. Sprinkle in the icing sugar, beating continuously. Finally stir in lemon juice
Spread the pastry sheet evenly with the icing. Cut into sticks of approx. 2 x 6 cm with a damp knife
Line two baking trays (approx. 34 x 41 cm) with baking paper. Put sticks on top. Bake in a preheated oven, lower shelf (electric oven: 150 °C/ convection oven: 125 °C/ gas: see manufacturer) for approx. 12 minutes until light brown. Leave to cool on the trays. Dust with icing sugar as desired. Shelf life in tins between parchment paper 3-4 weeks
Waiting time approx. 1 hour