Pre heat your oven to 350 degrees and line the bottom of an 8 inch loaf pan with parchment paper, rubbing the sides with oil.
In a medium bowl, whisk the flour, protein, gum, cinnamon and salt. In a separate large bowl, whisk the banana, sugar, milk and vanilla until well mixed.
In a small bowl, whisk the oil, water and baking powder until frothy. Add into the banana mixture and whisk until well combined.
Add the dry ingredients into the banana mixture and whisk until mixed. Pour into the prepared pan
Bake until a toothpick inserted in the center comes out clean, about 1 hour 10 - 20 mins. Let cool COMPLETELY in the pan.
slice GENTLY (it's fragile!) with a serrated knife and DEVOUR