Beat the fat, sugar, 1 packet of vanilla sugar and salt with the whisk of the hand mixer until foamy. Stir in the eggs one after the other. Mix 325 g flour and baking powder. Alternately stir in with the milk. Let raspberries thaw for about 5 minutes. Dust with 1-2 tablespoons of flour. Carefully fold in the raspberries in portions.
Line the hollows (12 pieces) of a muffin tin with the paper cups and fill them to 3/4 with dough. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 25-30 minutes. Remove the muffins and let them cool down for about 1 hour. Whip the cream until stiff, pour in 1 sachet of vanilla sugar. Warm up the raspberry jelly. Put 1 blob of cream on each muffin and drizzle some raspberry jelly over it