3 darkest chocolate Recipes

all-purpose flour, unsweetened cocoa powder, baking powder, baking soda, kosher salt, buttermilk , plus, buttermilk, water, pure vanilla extract, unsalted butter, cut in 1/2-inch pieces, bittersweet chocolate , preferably 70% cacao, coarsely chopped, granulated sugar , plus, granulated sugar, dark brown sugar , plus, dark brown sugar, eggs, at room temperature

flour, cocoa powder, baking soda, baking powder, salt, unsalted butter, sugar, eggs, dark chocolate chips