Tender, fluffy peanut butter mug cake takes care of your cravings for sweets in a flash. It is so quick that you can be enjoying this sweet treat in less than 5 minutes! This recipe serves 1 but the cake is large enough (and filling enough!) to share with someone you love. Just 6.8 net carbs for the whole dessert, 3.4 net carbs if you split it. Cook time is 20 to 30 seconds.