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["CRUST: In a small bowl, combine the cookie crumbs and sugar; stir in the butter.", "Press the mixture evenly and firmly onto the bottom and 1"" up the sides of a greased 9"" springform pan; set aside.", "FILLING: Preheat oven to 350*F.", "In a large bowl, beat the cream cheese until smooth; gradually add the sugar and blend until smooth and light.", "Add the eggs, one at a time, blending with the mixer on low speed just until combined.", "Add the sour cream and vanilla; blend well.", "Pour the filling over the crust; set aside.", "COOKIE DOUGH: In another bowl, using clean beaters, cream together the butter and both sugars on medium speed for 3 minutes.", "Add the water and vanilla; blend well.", "Gradually add the flour; stir in 1 cup of the chocolate chips.", "Drop the dough by tsp.", "over the filling, gently pushing the dough below the surface--the dough should be completely covered by the filling.", "Place the springform pan on a cookie sheet; bake for 45-55 minutes, or until the center is almost set.", "Cool on a wire rack for 10 minutes; carefully run a knife around the edge of the pan to loosen the cake.", "Cool for 1 hour longer; cover and chill overnight.", "Remove sides of pan; sprinkle with remaining chocolate chips."]
