Cornerstone is by no means a Japanese restaurant, but chef Tom Brown uses a fair few Japanese products to bring out the best of the fresh ingredients in his dishes. Soy sauces, ponzu, furikake – these are seasonings that can completely transform a dish with just a splash or a sprinkle. He turns to Stuart Turner and his company SushiSushi to ensure he's getting the very best versions of these ingredients Japan has to offer – watch them both talk about cooking with Japanese ingredients and see Tom in action on the pass.