Chocolate chip cookie layer:

1/2 cup unsalted butter
1/2 cup butter flavored vegetable shortening
1 cups brown sugar
1/2 cup granulated sugar
2 tsp vanilla extract
3/4 tsp salt
1 T cider vinegar
1 large egg
1 tsp baking soda
2 cups all-purpose flour
2 cups semisweet chocolate chips

Cheesecake layer:

1 package (8 oz) cream cheese, at room temp
1/2 cup sugar
1 egg
1/2 tsp vanilla