One of the best things about the keto diet is keto mug cake recipes! A decadent dessert that's healthy? Yes, please!  Equally fantastic is that they are so easy and with a few simple ingredients in a mug microwaved for a delightful dessert in minutes!   If you have never heard of a mug cake, let me enlighten you. It is a delicious dessert for one that you've prepared in a mug. They are simple and fast. They allow you to have a treat without over-indulging.    For those of you that like to have prepared foods on hand, you can actually buy mug cake mixes. There are several…