CRUST:
   1      c.            hard chocolate cookie crumbs, crumbled
     1/2  c.            butter
   3      tbsp.         sugar
                        FILLING:
  24      oz            cream cheese, softened
   2      c.            sugar
   3                    eggs
     1/2  c.            Kahlua
   1      tsp.          vanilla
   1      c.            sour cream
                        GLAZE: (Optional)
   1      c.            confectioners' sugar
     3/4  c.            sour cream
   3      tbsp.         Kahlua
                        Whipped cream for garnish
Mix crust mixture together and press into springform pan.  Cook
for 5 minutes at 350 degrees.  Let cool.  FILLING:  Mix together one
step at a time with electric mixer.  Pour into pie crust.  Bake for
55 to 60 minutes at 350 degrees.  Leave in oven for 1 hour with oven
door open.  Remove and refrigerate until cool.  Prepare glaze.  Make
sure consistency can be poured easily.  Spread on top and
refrigerate for 6 hours. Serve with whipped cream.