In a glass or cup mix the ground flax and water and leave to sit for 5 mins until it coagulates.
In a large bowl add the dry ingredients, ( flour, cinnamon, baking powder, bread soda)
In a blender add the wet ingredients, the peeled bananas, sunflower oil, liquid sweetener, soaked ground flax and blend till smooth.
If you don’t have a blender mash the bananas and in a bowl mix the wet ingredients till well mixed.
Add the dry and wet ingredients together and mix till a lovely smooth batter.
Roughly chop or crush the walnuts.
Add the chocolate chips and crushed walnuts and mix well.
Line a baking tray approx 23cm x 15 cm x 5 cm heigh with baking parchment.
Pour in the batter into the lined baking tray.
For decoration if you want you ca cut a banana lengthwise in half and put on the top of the batter to caramelise in the oven, add a few extra choc chips on top before baking too for an extra indulgent looking banana bread!
Bake for approx 60 mins or until a skewer comes out clean.
Leave to cool and cut and enjoy!