This caramel apple cake is a delicious dessert that is perfect for fall. The cake is made with a spiced apple batter that is layered with a caramel filling and topped with a creamy caramel frosting. The caramel filling is made with butter, brown sugar, heavy cream, and vanilla extract, which gives it a sweet and rich flavor. The caramel frosting is made with butter, powdered sugar, caramel sauce, and milk, which gives it a creamy and sweet taste.