Grease a springform pan (26 cm Ø) and dust with flour. Drain the cherries. For the glaze put 1 cup of crème fraiche in a pot. Wash and dry the crème fraîche cup. Measure all ingredients with the cup indication with this cup. Add butter, 1/2 cup (75 g) sugar and vanillin sugar to the crème fraiche in the pot. Heat over low heat while stirring until the mixture is smooth. Let cool down
For the dough, mix flour, baking powder, the rest of the sugar and lemon zest in a mixing bowl. Stir in eggs and 1 cup of crème fraîche and spread into the mould. Spread cherries on top. Pre-bake in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 12 minutes
Spread the cream-fraîche icing on top and sprinkle with almonds. Bake at the same temperature for another 20 minutes. Let it cool down. Decorate if necessary