Heat up the whipping cream (1) to a boil with vanilla extract or your vanila pod in it and let infuse for at least 15 minutes.
Melt your white chocolate in a double boiler or in the microwave in a large bowl.
Pour hot whipping cream (1) onto your white chocolate and whisk.
Add the cold whipping cream and mix with an immersion blender until it becomes homogeneous. Let it rest in the fridge for 6 hours at least.
Whip to the desired consistency. Soft peaks for a mousse, stiff peaks for piping.