Adjust oven rack to the lower third position in oven. Preheat oven to 350 degrees. Spray a 8-9 in springform pan with non-stick spray. Set aside.

To make the crumb topping combine brown sugar, flour, butter and cinnamon in a bowl. Refrigerate until ready to use.

In a large mixing bowl combine egg and butter on medium speed. Add the milk and 2 vanilla extract and beat until mixed. Set aside.

In a different mixing bowl whisk together flour, sugar, baking powder and salt. Turn mixer on low and add to the wet ingredients slowly. Mix until just combined. Pour into prepared springform pan.

In a medium size mixing bowl beat cream cheese on high until smooth. Mix in vanilla, sugar and cinnamon until combined. Spread over the cake batter. Layer with sliced apples. Top with crumb topping, gently pressing into the batter.

Bake for 50 minutes or until toothpick is inserted in the center of cake and it comes out free of cake crumbs, remember the cream cheese mixture will stick to toothpick. Cool in pan for 15 minutes before removing pan sides and glazing with cinnamon glaze.

For the glaze whisk together powdered sugar, milk and cinnamon. It should be just thin enough to drizzle.