Mix flour, almonds, sugar and vanilla sugar. Add egg and butter in pieces. Knead first with the dough hooks of the hand mixer, then with your hands to a smooth dough. Cover and chill for about 30 minutes. Peel, quarter and core apples.
Cut into thin slices and sprinkle with lemon juice. Grease a tart tin (26 cm Ø). Roll out the dough round (30 cm Ø) on a work surface dusted with flour. Line the tin with the dough and press on. Place apple slices fan-shaped close together. Bake in the preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: level 4) for 20-30 minutes. Bring jam to the boil in a small pot. Spread it on the hot tart and let it cool down. Roast the flaked almonds in a pan without fat until golden brown. Take out and let it cool down.
Bring jam to the boil in a small pot. Spread it on the hot tart and let it cool down. Roast the flaked almonds in a pan without fat until golden brown. Take out and let it cool down. Sprinkle almond flakes on the edge of the tarte. Dust with icing sugar. Cinnamon cream tastes good with it
2 hours waiting time