4 chocolate marble bundt sour Recipes

unsalted butter, at room temperature, sugar, eggs, at room temperature, light sour cream, vanilla extract, all-purpose flour, baking powder, baking soda, fine salt, bittersweet chocolate, chopped and melted, dark chocolate chips, white chocolate chips

butter, softened, sugar, sugar, eggs, room temperature, sour cream, vanilla, flour, baking powder, baking soda (use a semi-heaping tsp), salt, bittersweet chocolate, melted, chocolate chips, white chocolate chips

unsweetened chocolate, sugar plus 1 cup (i always use unbleached white ), water, pure vanilla extract, sour cream or 1/4 cup plain yogurt, butter, softened, eggs, unbleached flour, baking powder, salt, baking soda, buttermilk, sugar (for dusting)