Put flour, icing sugar and 85 g butter in a bowl and mix until crumbly with your hands. Add 1 egg and work into a smooth dough. Wrap the dough in foil and chill for about 1 hour.
Roll out the dough on a floured work surface until round (approx. 26 cm Ø). Line a greased tart mould (22 cm Ø) with lift-off base with the dough, pressing down the edges. Fold the protruding edges inwards and press firmly.
Line dough with baking paper and fill with dried peas. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for approx. 10 minutes.
Wash the cherries, remove the stalks and seeds. Whip 125 g butter and sugar until light and creamy. Stir in 2 eggs individually. Add ground almonds. Remove from the oven, add dried peas and
Spread the cherries on the base and cover with the almond paste. Sprinkle with flaked almonds and bake the tart in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for 30-40 minutes.
Remove the tart from the oven and let it cool down on a cake rack. Serve lukewarm or cold.