Lime, Chocolate & Oat Biscuits

1 egg

1 banana, mashed

1 tsp vanilla extract

2 tbsp. Honey

Zest of 1 lime

100g wholemeal flour

Pinch of salt

1 tsp baking powder

100g porridge oats

25g desiccated coconut

50g chopped walnuts

75g dark chocolate, roughly chopped