Did the title grab your attention? A crumbly chewy biscuit with a creamy inside….this is such an easy treat to make. Just check out the video on my YouTube channel – all you need is a bowl and a spoon! You can make this cookie to suit your taste buds, by using using whatever protein powder flavour you want chocolate, vanilla, strawberry or why not stuff it with hazelnut or almond butter – make this your very own personalised cookie!