Fudge Truffle Cheesecake
["Chocolate Crumb Crust (recipe follows)", "2 c. (12 oz.) Hershey's semi-sweet chocolate chips", "3 (8 oz. each) pkg. cream cheese, softened", "1 (14 oz.) can Eagle Brand sweetened condensed milk (not evaporated milk)", "4 eggs", "2 tsp. vanilla extract"]
["Heat oven to 300\u00b0.", "Prepare Chocolate Crumb Crust; set aside."]
["Chocolate", "chocolate chips", "cream cheese", "condensed milk", "eggs", "vanilla extract"]