Cut the marzipan into cubes. Mix grated coconut, marzipan and lemon juice. Beat egg white until stiff, slowly add icing sugar and mix with the coconut mixture. Line a baking tray with baking paper.
Pour the coconut mixture into a piping bag with a large star-shaped spout. Spray 8 heaps of coconut mass onto the baking tray at a large distance. Bake in the preheated oven (electric cooker: 150 °C/ gas: level 1) for 25-30 minutes. Results in 8 pieces