Preheat the oven to 350
Spray or line a 9'x13' pan and then spray.
In a medium sized bowl combine flour and brown sugar. Cut in the butter until mixture looks crumbly.
Press into the bottom of your pan. Bake for 15 minutes or until lightly browned.
In another mixing bowl cream together the cream cheese, 1/2 C of sugar on medium speed until creamy. Add the eggs one at a time. Then the vanilla. Stir to combine.. Pour over the warm crust.
Cut your apples into bite size pieces and combine with one T sugar, cinnamon and nutmeg. Spoon over cheesecake layer.
Combine the brown sugar, oats and butter until crumbly. Add that mixture to the top of the apple layer.
Bake for 30 minutes or until filling is set.
Drizzle caramel onto the cooled bars.