Coarsely grind the walnuts in the universal chopper. Clean, wash and roughly grate the zucchini. Whisk eggs, sugar, vanilla sugar and salt with the whisk of the hand mixer for about 5 minutes until thick and creamy. Fold in the oil while stirring in a thin stream
Mix walnuts, flour, cinnamon and baking powder and stir in. (dough is liquid). Squeeze the zucchini and fold in. Grease a box form (25 cm; 1.5 litres capacity) and sprinkle with breadcrumbs. Fill in the dough. Bake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 1 hour (stick test). Let cool down for about 10 minutes. Then carefully turn out onto a cake rack and let it cool down
Chop the chocolate coating. Heat cream and coconut oil. Melt chocolate in it. Let everything cool down briefly. Cover the cake with the icing and let it dry. Whipped cream tastes good with it
waiting time approx. 4 hours