Knead flour, baking powder, 125 g sugar, salt, fat in pieces and 1 egg first with the dough hooks of the hand mixer and then briefly with your hands until smooth. Cover and chill for approx. 30 minutes
Grease a tart mould with a removable base or springform pan (26 cm Ø). Separate 2 eggs. Beat 2 egg yolks, 1 egg and 125 g sugar until frothy. stir in yoghurt, quark, oil, pudding powder and lemon peel
Roll out the dough on a little flour until round (approx. 30 cm Ø). Put it into the tin and press it up about 2-3 cm at the edge. Prick several times with a fork. Pour in the yoghurt mixture. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 45 minutes
Beat 2 egg whites until stiff, while pouring in 40 g sugar. Spread the beaten egg whites on the hot tart and bake at the same temperature for another 10 minutes
Leave the tart to cool in the mould for about 10 minutes. Remove from the mould and allow to cool completely. Dust with icing sugar and decorate with raspberries and balm