Grind the nuts and add to a mixing bowel, add the baking powder and mix well.
Blend the banana, olive oil, eggs and honey on slow in a food processor.
Stir into the nuts. Line a bread tin with parchment paper. Empty contents into the bread tin.
Bake in oven on 180 for 25-30 minutes. Check if cooked throughout by sticking a knife into a few different places. If cooked, the knife should come out clean.
Walnuts are extremely nutrient dense, they are a wonderful source of vitamin E, manganese, copper, phosphorus, and magnesium. They are one of the few nuts to contain omega 3 fatty acids, and alpha linolenic acid. A rich source of protein, and dietary fibre with no dietary cholesterol.