M&S Plant Kitchen 16 No Chicken Gyoza Frozen Handmade Japanese style wheatflour dumplings filled with wheat and soy protein with mushrooms. Simply steam, microwave or pan fry from frozen. Suitable for vegans. 16 per pack. Serves four. M&S Plant Kitchen offers a wide selection of flavour-packed, plant-based products that are totally delicious. Each product is made of 100% plant-based, vegan-friendly ingredients.