Beat whole eggs and egg yolks until fluffy, gradually adding 150 g sugar, vanillin sugar and salt. Beat until the sugar has dissolved and the mixture is thick and creamy. Sift flour and starch on top and fold in
Spread the mixture on a baking tray (approx. 37x32 cm) lined with baking paper. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 8-10 minutes. Take out, loosen at the edge and turn out on a tea towel sprinkled with sugar. Carefully remove the baking paper. Cover the dough plate with 2. a damp cloth and let it cool down for about 15 minutes
Stir curd, mascarpone, lemon juice and the rest of the sugar until smooth. Wash the currants and let them drip. Be afraid to use up to 5-6 grapes for decorating, pluck and fold into the cream. Spread the sponge cake with the cream and roll up from the long side. Put in a cool place for about 1 hour. Dust with icing sugar before serving. Decorate with rest of berries and mint
Results in about 12 pieces
Waiting time approx. 1 hour