Fudge Truffle Cheesecake

1. Prepare CHOCOLATE CRUMB CRUST; set aside. Heat oven to 300 degrees. 2. Place chocolate chips in microwave-safe bowl. Microwave at MEDIUM (50 %) 1 1/ minutes; stir. If necessary, microwave at MEDIUM an additional 15 seconds at a time, stirring after each heating, just until chips are melted and smooth when stirred. 3. Beat cream cheese in large bowl until fluffy. Gradually beat in sweetened condensed milk until smooth. Add melted chips, eggs and vanilla; mix well. Pour into prepared crust. 4. Bake 1 hour and 5 minutes or until center is set. Remove from oven wire rack. With knife, loosen cake from side of pan. Cool completely, remove side of pan. Refrigerate several hours before serving. Garnish as desired. Cover; refrigerate leftover cheesecake.