* Chocolate Chips should be melted. ~-------------------------------------------------------------------------Combine crumbs and margarine, press onto bottom of 23 cm springform pan. Bake at 180ºC ., 10 minutes. Combine cream cheese and sugar, mixing at medium speed on electric mixer until well blended. Add eggs, one at a time, mixing well after each addition. Blend in chocolate and extract; pour over crust. Bake at 180ºC ., 45 minutes. Loosen cake from rim of pan; cool before removing rim of pan. Chill. Top cheesecake with pie filling and whipped topping just before serving.