M&S Plant Kitchen 2 Melt in the Middle No Fish Cakes Flavourful flakes of rice protein combined with potato filled with a deliciously creamy coconut centre, coated in breadcrumbs. Simply heat the oven for 20 minutes and serve alongside chunky chips. Serves 2. 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.