Cream butter, sugar and salt with the whisk of the hand mixer. Stir in the eggs one after the other. Mix flour and baking powder, add and stir in briefly. Add carrot puree from the jar and stir in. Add almonds and stir in briefly.
Line the depressions of a muffin tray (12 depressions of approx. 100 ml each) with paper baking cups. Spread the dough into the baking cups and bake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 20 minutes (stick test). Remove from the oven and allow to cool slightly. Remove the muffins from the trays and let them cool on a cake rack.
Quarter the pistachio kernels lengthwise and set aside about 36 nice quarters for the marzipan carrots. Finely chop the remaining pistachios. Sift 15 g icing sugar and knead with marzipan. Colour orange with yellow and red food colouring. Form about 18 carrots. Put 2 pistachio quarters each as carrot green into the thick end.
Cream cream cheese, drink powder and icing sugar. Put 1 blob of cream on each muffin, sprinkle with pistachios and decorate with carrots. Place the muffins in another 12 paper baking cups and arrange on a plate.