Chocolate Chip Cookie Dough Cheesecake -- From allrecipes.com

Ingredients

Original recipe makes 1 - 9 inch springform pan, 1 1/2 cups finely crushed chocolate wafer cookies, 1 cup white sugar, 1/4 cup melted butter, 2 (8 ounce) packages cream cheese, diced, 2 cups sour cream, 3 eggs, 2 teaspoons vanilla extract, 1/4 cup butter

Directions

Preheat oven to 350 degrees F (175 degrees C).

Mix the chocolate wafer cookie crumbs with 2 tablespoons of the white sugar, and the melted butter. Press firmly into the bottom and 1/2 inch up the sides of one 9 inch springform pan. Bake at 350 degrees F (175 degrees C) for about 8 minutes.

To Make Cookie Dough: In a bowl beat 1/4 cup butter or margarine with the brown sugar and 1/4 cup of the white sugar. Stir in the water and 1 teaspoon of the vanilla. Beat in the flour and the semisweet chocolate chips. Stir until combined.

To Make Cheesecake: In a food processor or with a mixer beat 1 cup of the white sugar, and all the cream cheese. Add 1 cup of the sour cream, the eggs, and 1 teaspoon of the vanilla. Mix well and pour into prepared crust.

Drop cookie dough in 2 tablespoon portions evenly over the top of the cake, pushing dough beneath the surface. Bake at 350 degrees F (175 degrees C) for about 40 minutes. Cake will jiggle slightly in center. Spread topping over hot cake. Let cake cool than chill in a refrigerator until cold, at least 4 hours.

To Make Topping: Mix the remaining 1 cup sour cream, 1 teaspoon vanilla, and the 2 teaspoons white sugar until smooth. Spread over hot cake.