250-300 g cherries wash, remove stalks and pit. Drain well in a sieve.
Line the recesses of a muffin tin (for 12 pieces) with paper cups. Mix flour, baking powder, 125 g sugar and 1 pinch of salt in a mixing bowl. Mix the eggs, oil and 150 g yoghurt with a wooden spoon, pour into the flour mixture, stir briefly with the wooden spoon.
2⁄3 Fold in prepared cherries. Pour into the moulds. Spread the rest of the prepared cherries on top.
Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 25 minutes. Let them cool down.
Wash 500 g cherries, remove the stalks and stone them. Stir starch and 4 tablespoons of cherry nectar until smooth. Bring the rest of the nectar, 2 tbsp. sugar and vanilla sugar to the boil briefly. Stir in the starch and simmer for about 1 minute while stirring.
Fold in the cherries. Serve the cherry sauce hot or cold with the rest of the yoghurt with the muffins.