Chocolate might be the ultimate pairing chameleon. Whether it's peanut butter, coffee, bacon, decadent dipped strawberries (which are best stored and consumed at room temperature) or even potato chips ...

Preheat the oven to 350°F. Grease a 9-by-13-inch baking dish with oil. In a large bowl, whisk together 1 tablespoon of the espresso powder with 1 cup water. Add the chocolate cake mix, eggs, and ½ cup ...