This salted caramel apple cake is a delicious and comforting dessert that is perfect for fall. The cake is made with 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 a pinch of salt. The cake is then topped with the caramel sauce and a sprinkle of sea salt. This cake is perfect for a family gathering or a cozy night in.