Matt Pritchard – he who was in Dirty Sanchez but now is in Dirty Vegan on BBC One Wales, he talks to Carl Marsh about veganism, innuendos and protein! If I can ask about the initial idea for your cooking show Dirty Vegan, how did it all come about? So, when I turned vegan three years ago, and I was a chef anyway as that is what I trained as before Dirty Sanchez and was what I did as soon…