Step 1

Preheat the oven to 350F (180C). Spray a 9x5-inch (22.5x12.5 cm) loaf pan with nonstick cooking spray.

Step 2

While the oven preheats, grind the oats into a very fine flour (use a food processor or blender).

Step 3

In.a large bowl, whisk the oat flour, flaxseed meal, baking powder, cinnamon and salt until blended.

Step 4

Add the mashed banana, water and vanilla, stirring until completely blended and smooth.

Step 5

Spread batter evenly in prepared pan, smoothing the top.

Step 6

Bake in the preheated oven for 45 to 50 minutes until deep golden brown and a toothpick inserted near the center comes out with only a few moist crumbs attached.

Step 7

Cool the bread in the pan for 15 minutes before removing to a cooling rack. Cool completely before slicing.