Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/4  cups          Chocolate wafers -- crushed
     1/8  teaspoon      Cinnamon
   1      package       Light cream cheese (8 oz)
   1      cup           Sugar
   1      cup           Unsweetened cocoa powder
   1      teaspoon      Cocoa powder for garnish
   2 1/2  cups          Sour cream
   2                    Eggs
   2      tablespoons   Coffee liqueur
   1      teaspoon      Vanilla

Preparation:

Preheat oven to 350F. Stir together wafer crumbs and cinnamon. Pat into bottom of 9-inch springform pan. Beat cream cheese until light and fluffy. Beat in sugar and cocoa powder. Beat in egg. Stir in 2 cups sour cream, coffee liqueur and vanilla. Turn into prepared pan. Bake for 30 minutes or until set. Spread remaining sour cream evenly over top. Return to oven 1 minute to glaze top. Cool to room temperature, then chill thoroughly, covered. Remove from springform pan. Just before serving, dust top with cocoa powder.