Heat oven to 350°F.
In a medium bowl combine the granulated and brown sugar, 2 sticks butter and beat until incorporated.
Add in 1 teaspoon vanilla and egg and mix until combined.
Sift together flour, baking soda, and salt and add to the wet ingredients. Stir chocolate chips in by hand.
In a small bowl, beat cream cheese, sugar and egg until smooth.
In ungreased 9- or 8-inch square pan, break up half of cookie dough. With floured fingers, press dough evenly in bottom of the pan to form crust. Spread cream cheese mixture over dough. Crumble and sprinkle remaining half of dough over cream cheese mixture.
Bake 35 to 40 minutes or until golden brown and firm to the touch. Cool 30 minutes. Refrigerate at least 2 hours until chilled.
Enjoy