This salted caramel apple cake is a perfect dessert for the fall season. The cake is made with a combination of all-purpose flour, baking powder, salt, sugar, eggs, milk, vanilla extract, and chopped apples. The caramel sauce is made with butter, brown sugar, heavy cream, and sea salt. The cake is then drizzled with the caramel sauce and a sprinkle of sea salt. The result is a moist and flavorful cake that is perfect for any fall gathering.