Soak gelatine in cold water for about 10 minutes. Halve the vanilla pod and carefully scrape out the pulp with the back of a knife. Heat approx. 200 g cream, vanilla pod, vanilla pulp and sugar in a saucepan. Squeeze out the gelatine and dissolve in it. Put 550 g cream in a bowl. Stir the vanilla cream into the cold cream. Rinse four 200 ml timbal moulds with cold water and pour in the cream.
Chill for at least 6 hours, preferably overnight. Clean and sort the blackberries. Puree half and pass through a sieve. Fold the whole blackberries into the puree. Hold the panna cotta forms in hot water up to the edge. Remove the panna cotta from the mould, turn out onto plates and serve with the blackberries
waiting time approx. 6 hours