Back when I was doing shift work in Emergency, and getting off work in the wee hours, one of my favourite supper spots was a Thai restaurant from around my house. Pad kra pao, or Thai Basil Pork, was one of my go-to dish. It's a bowl of white rice served alongside a crisp fried egg with lacy edges and a small mountain of stir-fry minced pork. My family discovered fish sauce only recently. It's not a common ingredient in Cantonese...