Preheat oven to 350

In a bowl, combine the butter, powdered sugar, flour and vanilla to form a dough.

Press into an ungreased 9x13 pan

Bake for 17-22 minutes

Meanwhile, in a saucepan over mediumm heat, melt the butter, add the flour and stir to combine, add the apples, cinnamon, caramel and salt and cook until apples are tender an caramels are melted.

Spread apples over crust and place int refrigerator to set.

Once set, slice into bars and serve.