3 bananas, mashed
100g/3陆 oz wheat bran
1 tsp baking powder
100g/3陆 oz brown sugar
录 tsp salt
1 tsp vanilla extract
handful chopped walnuts, to taste
175g/6录 oz wholemeal flour
115g/4录 oz butter
2 free-range eggs
115ml/4录 fl oz milk
1 tsp baking soda