3 triple layer jam cake Recipes

cake, cake flour, unsweetened cocoa powder, baking soda, salt, baking powder, sugar, eggs, egg yolks, vegetable oil, sour cream, vanilla extract, semisweet chocolate chips, ganache, whipping cream, bittersweet (not unsweetened ) or semisweet chocolate, finely chopped, mousse, chilled heavy whipping cream, light corn syrup, bittersweet (not unsweetened ) or semisweet chocolate, finely chopped, assembly and serving, seedless raspberry jam, parchment or wax paper (for cake pans and two 4 1/2-inch-wide by 15 3/4-inch-long strips for chocolate decoration), bittersweet (not unsweetened ) or semisweet chocolate, finely chopped

spice cake mix, buttermilk, sweetened applesauce, vegetable oil, eggs, cinnamon, blackberry jam, butter or 1/2 cup margarine, light brown sugar , firmly packed, dark brown sugar , firmly packed, milk, powdered sugar , sifted, vanilla extract