Locked-down bakers unite! Searches for mug-cake recipes are on the rise and we couldn't be happier. Mug cakes are easy-to-make, single-serving cakes that hit the spot when you're craving a little something sweet without a big commitment. Try this chocolate coffee mug cake for an extra kick and then sharpen your microwaving skills with these 25 recipes that you can make in your microwave in mere minutes.