Chocolate and coffee go together like...well, like chocolate and vanilla. Both vanilla and coffee highlight chocolate's deep, rich flavor - without imparting any but the faintest hint of their own flavor. Add a teaspoon or two of espresso powder to your favorite brownie, chocolate chip cookie, devil's food cake, or other chocolate recipe, and taste what a difference it makes - your chocolate will sing! Espresso powder is chocolate's best friend. Use a half to 2 teaspoons in chocolate baked goods,...