Scald peaches, rinse with cold water and peel the skin. Halve the fruits, stone them and cut them into slices
Mix the curd, sugar, vanillin sugar, milk, oil and salt with the whisk of the hand mixer until smooth. Mix flour and baking powder and sieve. Stir in half the flour with the whisks of the mixer, the rest of the flour with the dough hooks of the mixer
Grease a tart mould with removable bottom or a springform pan (28 cm Ø) and dust with some flour
Roll out the dough on a little flour until round (approx. 32 cm Ø), place it in the mould and press the edge of the dough against the edge of the mould. Spread peach wedges evenly on the dough. Warm up the jam, spread on the peaches
Bake the tart in a preheated oven (electric oven: 200 °C / convection oven: 175 °C / gas: level 3) for 25-35 minutes
Remove the peach tart from the oven and let it cool down. Sprinkle with decorating sugar and serve with whipped cream or crème fraîche