Cut the vanilla pod lengthwise and scrape out the pulp with the back of a knife. Cream vanilla pulp, egg, 90 g diabetic sweetener and salt. Add oil and buttermilk bit by bit while stirring. Mix 275 g flour, baking powder and baking soda, sieve if necessary and stir in briefly
Dust the unfrozen raspberries with 2 tablespoons of flour and fold into the dough. Place 2 paper baking cups inside each other and place them in the recesses of a muffin baking tray (for 12 pieces). Fill 3/4 of the dough into the paper baking cups. Bake in the pre-heated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 20-25 minutes. Let cool down for 5-10 minutes. Turn out the muffins and let them cool down completely. Dust with 6 g diabetic sweetness and serve