Preheat the oven to 325 Degree F. In a double boiler melt the white chocolate and the butter together. In an electric mixer with the whisk attachment whip the egg whites and sugar to soft peaks. In the electric mixer with the whisk attachment whip the egg yolks till light yellow and fluffy. Fold the yolks and whites together. Slowly fold in the whipped cream cheese and then fold in the melted white chocolate and butter mixture. Sift in Potato starch and lightly fold in. Pour into a lightly greased 8 inch square baking pan and pour in the batter. Bake until the cake has a slight giggle in the center and is gold brown on top approximately 40 minutes.
Passion Fruit Cream Cheese Ice Cream
In an electric mixer with the whisk attachment whip the heavy cream and sugar until stiff peaks form. Cut open the passion fruits and scoop out the pulp. Squeeze the orange into the passion fruit pulp. Fold the fruit into the whipped cream cheese and then fold in the whipped heavy cream. Place in a seal-able container and freeze overnight.