Cut the vanilla pod open lengthwise and scrape out the pulp with the back of a knife. Mix vanilla pulp, egg, 90 g diabetic sweetener and salt with the whisk of the hand mixer until creamy. Add oil and buttermilk while stirring. Mix 275 g flour, baking powder and baking soda, add to the buttermilk mixture and stir in briefly. Grease mini cake tray (12 trays of 80 ml) or muffin tray (12 trays of 100 ml). Dust with flour and fill in 3/4 of the dough.
Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 20-25 minutes. Let the cakes rest in the moulds for 10 minutes. Then turn out of the ramekins and let them cool down on a cake rack. Dust with 6 g diabetic sweetener. Decorate with lemon wedges, grated lemon peel and lime peel if desired
You're not diabetic? Prepare the muffin dough with 150 g sugar and dust the pastry with 1-2 tbsp. icing sugar