White Chocolate Bavarian Filling

This delightful silky-smooth filling is easy to make, provided you heed the following two warnings: Whip the cream just until soft peaks form, and do not overheat the white chocolate. To ensure that the chocolate does not get too hot, do not walk away when melting it; stay with it and stir it constantly to speed the process. Remove the chocolate from the bain-marie while a few unmelted chunks remain and continue to stir off-heat until they melt. The chocolate should be warm but not hot. Ign