The ultimate japanese seasoning get salty sweet and umami flavour into your japanese cooking all at once with kikkomans concentrated hontsuyu soup base made using bonito sardine and soda bonito fish flakes this 4x concentrated all purpose tsuyu has a particularly potent umami flavour better still this tsuyu comes in an easy to use squeezy bottle so you will always use just the right amount use this tsuyu as a base for japanese soups stews and stir fries