1. Heat the milk,sugar and vanilla pod.
2. Remove from the heat and allow to cool.
3. In the meantime, soak the leaves of gelatine in cold water to soften.
4. Reheat the milk, add the gelatine and  stir in the yogurt.
5. Pour the mixture into moulds and chill over night.To serve, turn out of the moulds (using a knife to help around the edges) and serve with the fruit of your choice.