Prepare yeast dough with 1/4 l milk and let it rise for about 40 minutes.
Grease a fat pan (deep baking tray; approx. 32 x 39 cm) and dust with flour. Briefly knead the yeast dough on some flour. Roll out on the fat pan, then press the edges with your hands.
Cover and leave to rise in a warm place for about 20 minutes.
Drain the cherries (use the juice for other purposes). Peel, quarter, core and cut apples into thin slices. Mix with lemon juice. Preheat the oven (electric cooker: 200 °C/circulating air: 175 °C/gas: s.
Use your fingers to press depressions into the risen dough at even intervals. Add butter in small pieces. Cover half the dough with apple slices and sprinkle with almonds. Spread cherries on the other half of the dough and sprinkle with poppy seeds.
Mix sugar and vanilla sugar, sprinkle over the whole topping. Bake in a hot oven for 20-25 minutes. Remove and allow to cool. Whipped cream tastes good with it.