3 marbled bittersweet coffee Recipes

all-purpose flour, ground walnuts, baking powder, salt, unsalted butter, at room temperature (8 oz), unsalted butter, at room temperature (1 oz), bittersweet chocolate, coarsely chopped, hot or cold coffee (can also use plain water), ground instant coffee or 1 tsp instant espresso powder, sugar, eggs, preferably at room temperature, pure vanilla extract, whole milk, at room temperature

coffee and cream-filled chocolate sandwich cookie crumbs, about 20 cookies (we tested with oreos), butter or margarine, melted, cream cheese, softened, sugar, eggs, instant coffee granules, coffee liqueur, vanilla extract, bittersweet chocolate baking squares, melted and cooled