Here are the ingredients for each Banana Nut Mug Cake serving (193 calories):
1⁄2 medium banana, mashed
1 tablespoon peanut butter (or any other nut butter)
1 egg whites
1⁄4 teaspoon vanilla extract
4 1⁄2 tablespoons (30g/1oz) oat flour (or whole wheat or white flour)
1⁄4 teaspoon cinnamon
1⁄4 teaspoon baking powder
pinch of salt
The detailed preparation instructions and a how-to video are on the next page …