Chocolate Raspberry Cheesecake

Ingredients

 * 1 1/2 c Creme-filled Cookie Crumbs
 * 2 tb Margarine, Melted
 * 32 oz Cream Cheese, Softened
 * 1 1/4 c Sugar
 * 3 ea Large Eggs
 * 1 c Sour Cream
 * 1 ts Vanilla
 * 6 oz Semi-sweet Chocolate Chips
 * 1/3 c Strained Raspberry Preserves
 * 6 oz Semi-sweet Chocolate Chips
 * 1/4 c Whipping Cream

Directions
raspberries and fresh mint leaves, if desired.
 * 1) Cookie crumbs should come from 18 Cream Filled Cookies that have been finely crushed. ** This 6 ozs of Chocolate chips should be melted and cooled slightly . Combine crumbs and margarine; press onto bottom of 9-inch springform pan.
 * 2) Combine 24 ozs of cream cheese and sugar, mixing at medium speed on electric mixer until well blended. Add eggs, one at a time, beating well after each addition. Blend in sour cream and vanilla; pour over crust. Combine remaining 8 ozs cream cheese and melted chocolate, mixing at medium speed on eletric mixer until well blended. Add Red Raspberry preserves; mix well.
 * 3) Drop rounded measuring tablespoonsfuls of chocolate cream cheese batter over plain cream cheese batter, do not swirl. Bake at 325 degrees F., 1 hour and 25 minutes.
 * 4) Loosen cake from rim of pan; cool before removing rim of pan. Melt chocolate pieces and whipping cream over low heat stirring until smooth. Spread over cheescake. Chill. Garnish with additonal whipping cream, whipped,