Wash the lemon, grate dry and finely grate the peel. Halve the lemon, squeeze the juice. Mix flour and baking powder. Beat the egg, 150 g sugar, vanillin sugar and butter until creamy. Alternately stir in buttermilk, lemon juice and zest with the flour mixture
Line a muffin tray with 12 troughs each with 1 paper baking tray. Spread the dough inside. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 25 minutes. Let muffins rest for about 5 minutes. Carefully remove from the tray. Let them cool down. Place each muffin in another baking tin
Puree the raspberries and pass through a sieve. Mix with 2 tablespoons of sugar. Mix 250 g yoghurt with 2 tbsp. sugar. Stir in about 4 tbsp. raspberry puree. Grind the pistachios finely in the universal chopper and mix them with 250 g yoghurt and 2 tbsp. sugar, except for a little bit for sprinkling. Pour the pistachio cream and raspberry cream onto the muffins using an ice cream scoop. Decorate with raspberry puree and ground pistachios
waiting time approx. 1 1/2 hours