As our last full day in Vietnam draws to a close, I’m sipping freshly squeezed sugarcane juice, nibbling on a banana pancake, and throwing words at the screen in a bid to entertain my reader. Our day kicked off with a cooking class at Goian Homestay/Restaurant/Cooking School/Evil Villain Lair for all I know, with the incredibly friendly Vinh. She dragged us around the local market, pointing out all manner of fruit and herbs, we were familiar with many, but there were some that we hadn’t encountered before, including one that tasted quite fishy (I’ve got a feeling I had some of this with some banh xeo earlier in the week,…