This salted caramel chocolate cake recipe is a decadent dessert that is perfect for any special occasion. The cake layers are made with rich, chocolatey batter that is flavored with espresso powder and vanilla. The frosting is a creamy, salted caramel buttercream that is made with homemade caramel sauce and melted chocolate. The cake is finished with a sprinkle of sea salt and chocolate shavings, which add a beautiful touch of texture and flavor.