Mix 100 g butter with poppy seeds. Chill butter. Warm the milk in a pot lukewarm. Crumble yeast and dissolve in it. Knead with flour, 50 g sweet, 50 g butter, egg and salt until smooth. Cover the dough and let it rise in a warm place for about 45 minutes
Knead the dough again briefly. Roll out on a greased grease pan of the oven (32 x 39 cm). Press small depressions into the dough with your fingers at intervals. Stir the jam until smooth. Spread the jam into every second trough. Let the dough rise again in a warm place for about 30 minutes
Spread poppy seed butter in flakes in the free hollows. Bake in the preheated oven (electric range: 175 °C/circulating air: 150 °C/gas: level 2) for 20-25 minutes. Let them cool down. Sprinkle with 10 g sweetness
waiting time approx. 2 hours