Start by adding flour, coco powder, and baking powder into a mug. With a fork, mix the dry ingredients together. Add the wet ingredients, milk, egg, honey, and melted butter. Mix altogether until smooth.
Put a dollop of peanut butter in the middle of the batter and sprinkle with chocolate chips. Don't push down the peanut butter or chocolate chips, they will naturally go down as the cake cooks.
Put the mug in the microwave on a napkin. The napkin will catch any over flowing batter and make for an easier clean up.
Cook the mug cake for 60 seconds. Make sure to adjust the time depending on your microwave. If the mug cake is cooked too long it will have a spongy, less desired, texture.
Notes
All microwaves are different. Some cook hot, and some take longer. That being said, your mug cake may be ready before the minutes up, or may need a little extra time. My microwave runs high and so my mug cake is perfect at 55 seconds.
A good way to tell if your cake is ready is by how sticky the top is. If it looks a little moist and sticks to your finger, your cake is perfectly cooked. If it looks dry, you've over cooked your mini cake and the texture will be spongy. Don't worry, it will still taste great but next time adjust the cook time.
This recipe is not made for the oven! The cook times do not convert over.