6 deep chocolate layer cake Recipes

unsweetened cocoa powder, all-purpose flour, baking powder, baking soda, butter, softened, sugar, eggs, unsweetened chocolate, melted and cooled, vanilla, milk, semisweet chocolate pieces (2 cups), butter, dairy sour cream, powdered sugar (about 1 lb), chocolate curls (optional), chocolate-sour cream frosting, fresh raspberries (optional), fresh mint sprigs (optional)

all-purpose flour, sugar, natural unsweetened cocoa powder, baking soda, salt, brewed coffee, at room temperature, canola oil, egg whites, apple cider vinegar, vanilla extract, egg whites, sugar, cream of tartar, salt, vanilla extract

egg yolks at room temperature 30 minutes, whole milk, pure vanilla extract, sugar, divided, all-purpose flour, salt, egg whites at room temperature 30 minutes, fine-quality 60%-cacao bittersweet chocolate, finely chopped, water, eggs, separated , at room temperature 30 minutes, salt, sugar, divided, unsweetened cocoa powder, hazelnuts (3 1/2 oz), egg whites at room temperature 30 minutes, salt, cream of tartar, sugar, water, sugar, instant-espresso powder, coffee and mocha buttercreams (recipe to follow), equipment : 3 (15-by 10-inch) 4-sided sheet pans (1/2 inch deep

unsweetened baking chocolate, unsalted butter, sugar, eggs, egg yolks, pure vanilla extract, chocolate extract (optional), whipping cream, ice water, all-purpose flour, cocoa, clabber girl baking powder, baking soda, salt, sugar, unsalted butter, softened, pure vanilla extract, cocoa , measured, then sifted, whipping cream, marshmallow ice cream topping, warmed slightly, semi-sweet chocolate chips, corn syrup, unsalted butter, marshmallow, grated milk chocolate, chocolate syrup or ice cream topping