Beat the eggs and 100 g sugar for approx. 10 minutes with a whisk of the hand mixer until thick and creamy. Stir in lemon zest, lemon juice and quark. Sift the starch on top and stir in. Put the dough into a greased springform pan (26 cm Ø) and smooth it down. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for about 1 hour. Remove from the oven and let it cool down on a cake rack in the tin. In the meantime, drain the cocktail fruits, collect the juice and measure 250 ml.
Drain fruits well on kitchen paper and place on the cooled cake. Mix the cake glaze powder with 250 ml fruit juice in a pot. Bring to the boil and cook for about 1 minute. Spread the cake glaze over the fruit from the middle and let it set for about 1 hour. Dust the cake edge with icing sugar. Sprinkle the pistachios over the fruits