Chocolate And Hazelnut Cheesecake
["2 c. semi-sweet chocolate chips", "1 1/2 c. vanilla wafer crumbs", "3/4 c. hazelnuts, toasted, skinned and coarsely chopped", "2 Tbsp. white sugar", "3 Tbsp. butter, melted", "3 (8 oz.) pkg. cream cheese, softened", "1 c. white sugar", "3 eggs, lightly beaten", "3 Tbsp. hazelnut or chocolate flavored liqueur", "13 skinned toasted hazelnuts", "4 Tbsp. sour cream", "1 Tbsp. hazelnut or chocolate flavored liqueur"]
["Use a blender or food processor and finely chop 1/3 cup chocolate chips. Place in a small mixing bowl. Add vanilla wafer crumbs, ground hazelnuts, 2 tablespoons white sugar and melted butter.", "Mix until well combined. Press into bottom and up the sides of a 9-inch spring-form pan. Bake in a preheated 300\u00b0 oven for 15 minutes. Cool."]
["semi-sweet chocolate chips", "vanilla wafer crumbs", "hazelnuts", "white sugar", "butter", "cream cheese", "white sugar", "eggs", "hazelnut", "hazelnuts", "sour cream", "hazelnut"]