3 golden vanilla layer cake chocolate frosting Recipes

cake flour, natural unsweetened cocoa powder, baking soda, salt, unsalted butter, room temperature, golden brown sugar, eggs, vanilla extract, buttermilk, instant espresso powder dissolved in 3/4 cup hot water, natural unsweetened cocoa powder, instant espresso powder, chilled heavy whipping cream, divided, sugar, chilled mascarpone cheese, bittersweet chocolate curls (optional)

cake flour, baking powder, salt, unsalted butter, softened, granulated sugar, eggs, pure vanilla extract, almond extract, whole milk, unsalted butter, softened (3/4 stick), powdered sugar, unsweetened chocolate, melted, pure vanilla extract, milk