3 simple chocolate sour cake Recipes

shortening , for greasing the baking pans, flour , for dusting the baking pans, german chocolate cake mix (with or without pudding), sour cream, water, oil, eggs, vanilla extract, cream cheese, at room temperature, butter, at room temperature, sugar, well sifted, vanilla extract

unsalted butter , plus additional for cake pans, baking soda, kosher salt, baking powder, all-purpose flour, eggs, granulated sugar, vanilla extract, sour cream, coarsely chopped semisweet chocolate, cool water, plus more for the double boiler, cream of tartar, granulated sugar, egg whites, room temperature, light corn syrup, vanilla extract