Asian-inspired chain itsu launches its first-ever frozen food range as part of its ever-growing grocery offering as it marks its 20th year.  Launching in selected Tesco and Waitrose supermarkets this month, itsu are redefining the way the nation eats gyoza, transforming them from being considered a starter or side dish into a versatile ingredient for a convenient pan-Asian meal. Available in three flavours; Vegetable Fusion, King Prawn and Sesame Tuna, they have a cooking time of 3-6 minutes and are 258 calories per portion of 8 gyoza and contain no MSG, artificial flavours or preservatives. They come in a re-sealable bag with complimentary dipping sauces.