Combine graham cracker crumbs, sugar and melted butter. Press on bottom and sides of a greased springform pan. Combine pudding mix, sugar and milk in saucepan. Add chocolate. Cook and stir over medium heat until mixture comes to a full boil. Remove from heat. Cover surface with waxed paper and set aside.
Beat cream cheese until fluffy. Beat in yolks, vanilla, salt and pudding. Fold in egg whites. Pour over crumbs in pan. Bake on lowest racke at 425F for about 35 minutes or until center is set lightly when touched. Cool 4 hours. Spread top with sour cream.
Find any recipe, add your own, make grocery lists easily from recipes. Enter any 3 ingredients and BigOven will tell you what you can make. It's free! (4.5/5 stars)