Beat egg whites until stiff. Add 200 g sugar. Continue beating until the sugar has dissolved. Pour into a piping bag with a large (8 mm Ø) perforated spout. Spray small heaps (4-5 cm Ø) onto a baking tray lined with baking paper. Bake in a preheated oven (electric cooker: 150 °C/ convection oven: 125 °C/ gas: level 1) for approx. 30 minutes.
Meanwhile melt 75 g butter. Warm buttermilk lukewarm. Dissolve yeast in it. Put flour, 100 g sugar and salt into a mixing bowl. Add yeast milk, melted butter and egg. Mix to a smooth dough with the dough hooks of the hand mixer. Cover and leave to rise in a warm place for about 20 minutes. Roll out on a greased baking tray (32 x 38 cm) and let it rise again for about 20 minutes. In the meantime wash, clean and stone the cherries. Press hollows into the yeast dough. Spread 75 g butter in small pieces and cherries. Sprinkle with almond flakes and 100 g sugar.
Cover and leave to rise in a warm place for about 20 minutes. Roll out on a greased baking tray (32 x 38 cm) and let it rise again for about 20 minutes. In the meantime wash, clean and stone the cherries. Press hollows into the yeast dough. Spread 75 g butter in small pieces and cherries. Sprinkle with almond flakes and 100 g sugar. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes. Serve covered with meringue piles