It consists of the heart-shaped seeds of the buckwheat plant, which is part of the rhubarb family. The seeds have a toasted, nutty flavour, and they're naturally gluten-free. Manor Springs Organic Puffed Buckwheat is a super-snackable take on this wonderful and highly nutritious grain that can be eaten right out of the bag, sprinkled into a variety of dishes and used to fantastic effect in baking.