I started by mixing water and sour cream in a small bowl. Then I combined flour, sugar, and salt in a larger bowl, scattered the shortening, and grated butter over it. Using a pastry blender, I cut the fats into the flour until it resembled coarse crumbs. Finally, I added the sour cream mixture and pressed everything into a smooth dough mound.
I heated half a cup of heavy cream until it just started to simmer. Then I poured it over the chopped semi-sweet chocolate, covered it for a few minutes, and stirred until smooth. This simple ganache is rich, velvety, and melts in your mouth.
I whipped most of the heavy cream until fluffy, then beat the cream cheese with vanilla. I melted the white chocolate with a bit of cream to thin it, then folded it into the cream cheese mixture. Finally, I gently folded in the whipped cream and poured it over the firm ganache layer.
I warmed the raspberry jam slightly to thin it and carefully coated the raspberries. Lining them neatly on top of the pie created an elegant finish. I prefer adding this topping the same day I serve the pie to keep it fresh and beautiful.