Please eat only 1 piece or rather 80 g of the cake!
Sieve the flour into a dish. Solve the yeast in some slightly warm cream/water mixture and allow the yeast to swell (approx. 10 min). Add the rest of the cream/water mixture, lemon juice, sugar, salt and butter and prepare a dough. Cover the yeast-dough and store it at a warm place and allow for swelling (20-30 min.) Preheat the oven to 150 °C. Transfer the yeast-dough to a greased baking sheet and roll it out. Cover it with the peeled, chopped apple pieces and sprinkle sugar and cinnamon over the apple cake. Bake in the centre of the oven for 20-30 min. Cut it into 24 pieces.