This Mug Cake takes about 5 minutes start to finish! See below for details! Aquafaba makes this mug cake Vegan too! Aquafaba is the liquid that is in a can of chickpeas (AKA garbanzo beans). It is often used as a vegan substitute for eggs or egg whites! Let me know if you try it or have any questions in the comments! Ingredients: 3 tbsp Peanut Butter 3 tbsp Aquafaba (liquid from can of chick ...