For the crumble mix 300 g flour, almonds and 150 g sugar. Add 250 g butter in flakes and work into crumble with your hands. Chill the streusel for about 20 minutes.
For the batter, stir together 250 g butter and 200 g sugar until creamy. Stir in the eggs one at a time. Mix 300 g flour with baking powder and stir in.
Cover a baking sheet with parchment paper and distribute the dough evenly on the sheet. Stir the jam until smooth and distribute it evenly on the dough. Sprinkle with the sprinkles.
Bake the cake in a preheated oven at 175 ° C (fan oven: 150 ° C) for about 30 minutes. Take the cake out of the oven and brush immediately with the cream or condensed milk. To let it cool down.