Banana Nut Mug Cake This mug cake has a delicious flavor and can be enjoyed in minutes. Banana Nut Mug Cake for Two 4 tablespoons cake flour 2 tablespoons uncooked oatmeal 4 teaspoons unpacked brown sugar ½ teaspoon cinnamon Pinch of salt 1 tablespoon chopped walnuts 1 teaspoon baking powder 4 tablespoons mashed, ripe banana 5 tablespoons water 1 teaspoon vanilla In a bowl, add flour, oatmeal, brown sugar, cinnamon,...