Beat the eggs, salt and sugar until frothy. Rinse citrus fruits with hot water, grate dry and finely grate half of the peel at a time. Squeeze the fruit
Mix the grated citrus peel, 3 tablespoons orange juice, 1 tablespoon lemon juice, quark, cream and starch. Stir in egg mixture. Grease a springform pan (24 cm Ø). Fill in quark mixture. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 50 minutes
Take out the cake and let it cool down. Chop the pistachio kernels and sprinkle them over the cheesecake before serving. Whipped cream tastes good with it
waiting time approx. 2 hours