Preheat oven to 350F
In a large bowl, mix cookie crumbs, cinnamon, and melted butter. Press into bottom of bowl and 1 1/2 inches up sides of 12 inch spring form pan.
Bake for 5 to 7 minutes or until firm. Chop the white chocolate and place it in the top of a double boiler over hot water, stirring frequently.
Remove the chocolate from heat and mix in the egg yolks. Beat mixture until light and fluffy, then beat in the softened butter.
In a large bowl, whip the 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.