Oil the fat pan (approx. 32 x 39 cm; at least 3.5 cm deep) and dust with flour. Clean and wash gooseberries. Coarsely grate marzipan
Mix marzipan, eggs, 150 ml oil, 250 g sugar, vanillin sugar and 1 pinch of salt with a hand mixer until smooth. Mix 350 g flour and baking powder and stir in portions briefly. Spread on the fat pan
Spread the gooseberries on the dough. Sprinkle with almonds and 2-3 tablespoons of sugar. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 25 minutes. Mix icing sugar and lemon juice to a thin glaze. Pour onto the hot cake. Let it cool down