Grease a springform pan (26 cm Ø) and dust with flour. Coarsely grate marzipan, mix with 2 eggs and 1 pinch of salt with a hand mixer. Stir in 5 eggs one by one, then beat for about 15 minutes until creamy. Spread into the mould. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 45 minutes (cover after approx. 30 minutes). Let them cool down
Soak the gelatine in cold water. Mix mascarpone, quark, sugar, vanillin sugar and lemon peel briefly. Whip 200 g cream until stiff. Squeeze out the gelatine, dissolve at low heat. Stir in 3 tbsp. quark cream, then stir into the remaining cream. Fold in the cream. Chill for about 20 minutes until it starts to gel. Spread it on the floor like a dome. Chill for approx. 3 hours.
Roast the almonds without fat, let them cool down. Crumble meringue coarsely. Whip 200 g cream until stiff. Spread the cake with it. Decorate with almonds, meringue, icing sugar etc.