Wash, drain and clean the gooseberries. Coarsely grate the marzipan. Put eggs, oil, 250 g sugar, vanillin sugar, marzipan and salt in a bowl. Stir with the whisk of the hand mixer until smooth. Mix flour and baking powder, add and mix everything immediately. Put the dough into a greased, flour-dusted fat pan and smooth it down. Spread gooseberries on top.
Sprinkle with almonds and 40-60 g sugar. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 25 minutes. Mix icing sugar and lemon juice to a thin glaze. Brush the still hot cake with it. Leave to cool for approx. 1 1/2 hours on a cake rack. Cut into pieces and serve
waiting time approx. 1 1/2 hours