White Chocolate Mousse Cake

4 cups chocolate cookie crumbs

1 teaspoon ground cinnamon

½ cup butter, melted

18 (1 ounce) squares white chocolate

16 egg yolks

1 cup butter, softened

4 cups heavy whipping cream

2 cups white chocolate chips

Preheat oven to 350 degrees F (175 degrees C). In a large bowl, mix cookie crumbs, cinnamon, and melted butter. Press into bottom and 1 1/2 inches up sides of 12 inch spring form pan. Bake for 5 to 7 minutes or until firm. Allow to Cool

Chop the white chocolate and place it in the top of a double boiler. Melt over hot but not boiling water, stirring frequently. Remove from heat and mix in the egg yolks. Beat mixture until light and fluffy. Beat in the softened butter.

In a large bowl, whip cream until stiff, and fold into the white chocolate mixture. Fold in the white chocolate chips. Pour into baked crust and chill for 4 hours.