Melt the coconut oil. Smash the bananas with a fork.
Mix flour, oats, seeds scraped from 1 vanilla pod, sugar and baking powder in a mixing bowl. Stir milk, oil and bananas. Mix in the walnuts.
Put baking paper in a loaf pan (11 cm x 21 cm). Pour the batter into your prepared loaf pan. Bake for 50 minutes 175°C. Cool completely.
Slice the bread. Than, roll each slice in desiccated coconut.