For the days when you want an impressive but quick sweet treat, a mug cake delivers ... espresso powder, vanilla, egg, and 1 1/2 tablespoons peanut butter in a medium bowl until well combined.

Everyone will love this Gooey frosted Peanut Butter Mug Cake. It is just 3 weight watchers points Mug cakes are SO easy and require so few ingredients you are just about guaranteed to have ...