{Keto Mug Cake} Easy simple ingredient Brownie Mug Cage you will want to check out! Quick & simple ingredient ketogenic diet mug cake make for a easy keto breakfast, keto snack or keto dessert. Sweet & savory low carb fudgy chocolate brownie microwave mug cake for 1. Sugar free & gluten free keto brownie. Switch out keto fat bombs for this mug cake that is easy & delicious. Keto diet for beginners or advanced.