Peanut Butter Mug Cake

"It's time to make a delicious, fudgy mug cake! This mini cake is so easy you'll be able to whip it up in less than 3 minutes. And it's totally oven-free—no oven required! Just mix the ingredients together in a mug, microwave for about a minute, and voila: you've got yourself a homemade Peanut Butter Mug Cake. This recipe is perfect for when you need something quick and easy, or just want to treat yourself to something tasty without having to wait around."