Ingredients: heavy cream, sour cream, butter, baking powder, shortening, corn syrup, vanilla, flour, brown sugar, fleur de sel, egg, dark chocolate, dark cocoa, sugar, baking soda
Mile-High Chocolate Cake with Vanilla Buttercream
bonappetit.com
Ingredients: heavy cream, sour cream, butter, baking powder, shortening, corn syrup, vanilla, flour, chocolate, candy, brown sugar, egg, dark chocolate, dark cocoa, sugar, baking soda