Chcolate Chip Cookie Dough Cheesecake

Here is a really good recipe that I came across.
Ingedients:
1-1/2 cups crushed chocolate sandwich cookie crumbs
1/4 cup butter, melted
2 (8oz.) pkgs.cream cheese softened
1 cup sugar 1 cup sour cream 3 eggs 1 tsp. vanilla
1/4 cup butter, softened
1/4 cup brown sugar
2 Tbsp. water
1tsp.vanilla
1/2 cup flour 1 cup mini semisweet chocolate chips
1 cup sour cream
1Tbsp.sugar
1tsp. vanilla
Preparation:
Preheat oven to 350 degrees. Mix crumbs and 1/4 cup melted butter in medium bowl and press in bottom and 1/2"up sides of a 9" springform pan.

In large bowl ,combine cream cheese and 1 cup sugar .Beat until smooth. Add1 cup sour cream ,eggs,and1tsp. vanilla and beat until well blended. Pour onto crust. In small bowl, combine 1/4 cup butter, brown sugar, 1/4 cup sugar and beat until combined. Add water, 1tsp. vanilla and beat well. Stir in flour and mini chocolate chips until combined. Drop this cookie dough in
1 Tbsp. portions evenly over cheese cake surface. Gently push dough beneath
the surface of the batter.

Bake in a 350 degree oven about 30-40 minutes until cheese cake jiggles slightly when pushed. While cake is baking combine 1 cup sour cream ,1 tsp.
sugar and 1tsp. vanilla in a small bowl and spread this topping over the hot cheese cake when it comes out of the oven. Let cake cool on wire rack, then chill in refrigerator. 4-6 hours until cold. serves 12