Place paper baking cups in the recesses of a muffin baking tray (12 troughs). Beat the egg and sweetness until frothy. Gradually stir in oil and kefir. Mix 280 g flour and baking powder and stir in
Wash the berries if necessary and dab dry. Dust 150 g berries with 20 g flour and fold into the dough. Spread the dough into the moulds. Bake in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for 20-25 minutes. Let them cool down
Mix 50 g berries and jam. Decorate each muffin with a blob of yoghurt, berries and lemon balm just before serving