Whisk up the oil, water and vanilla until fully combined and emulsified
Mix the flour, baking powder, bicarb, salt and sugar together in a large mixing bowl.
Break the nuts up into chunks and mix in to the flour
Pour the oily liquid into the dry ingredients and stir with a wooden spoon until the mixture comes together
Keep the mix in the bowl and place in the fridge for 30 minutes
Line a baking tray with baking paper
Preheat the oven to 180° degrees (fan)
Spoon out 12 cookies from the mix and place evenly on a baking tray, making sure to leave enough space between each one as they expand outwards
Bake the cookies for about 12 minutes until the cookies are golden brown and have crisped up slightly on the edges
Leave the cookies to cool and then eat!