Rayu is Matsudai’s house chilli oil — chunky, medium-spicy, and absolutely packed with sesame and umami. It’s salty, smoky and just a touch sweet, with a more-ish kick that keeps you coming back for more. Spoon it over your breakfast eggs, mix it through a rice bowl or stir-fry, swirl it into ramen, or serve it alongside grilled fish, meats or veg — it makes everything taste better.