This classic salted caramel cake recipe is a must-try for anyone who loves the combination of sweet and salty flavors. The cake layers are made with a rich, buttery batter that is flavored with vanilla and brown sugar. The frosting is a creamy, salted caramel buttercream that is made with homemade caramel sauce. The cake is finished with a sprinkle of sea salt, which adds the perfect amount of saltiness to balance out the sweetness of the cake.