Ingredients

  • 4 ounces chocolate wafers
  • 1 tablespoon butter softened
  • 2 pounds cream cheese (4x8 oz packages) softened
  • 1/2 cup sugar
  • 2 tablespoons cornstarch
  • 4 large eggs
  • 1 tablespoon vanilla extract
  • 3 ounces chocolate (semi-sweet) one ounce squares
  • 8 ounces sour cream

Method

  • Heat oven to 300.
  • Crush chocolate wafers in food processor or in plastic bag with rolling pin.
  • Add butter and process or knead into crumbs.
  • Pat into bottom of an oiled 9-inch spring-form pan.
  • Bake 10 minutes.
  • In the large bowl of an electric mixer, beat cream cheese until fluffy.
  • Stir together sugar and cornstarch.
  • Beat into cream cheese mixture.
  • Add eggs to mixture one at a time, beating after each addition.
  • Fold in vanilla, chocolate, and sour cream until uniformly combined.
  • Turn cheesecake mixture into hot, crumb-lined pan.
  • Carefully return to oven.
  • Bake until center of cake seems to be almost set when the pan is gently tapped-about 1 hour.
  • Turn off oven and allow cake to sit in oven 1 hour longer.
  • Remove pan from oven; cool to room temperature.
  • Cover without touching surface of cake.
  • Place in refrigerator overnight.
  • To serve, loosen cake from side of pan with a spatula.
  • Remove side of pan.
  • Place cake on serving platter.
  • Decorate with whipped cream or drizzle with melted chocolate, if desired.