abstract background bitter brassica brassicaceae brassiceae broccoletti broccoli calcium cuisines food galician green grelos iron nature nutty potassium pungent rabe rapa rapini saavem shape shapes texture traditional typical vegetables vitamins crunchy cultivar cultivated earth-apple edible elongated ginger-like helianthus-tuberosus herbaceous-perennial inulin Jerusalem-artichoke knobbly potato-substitute root-vegetable sunchoke sunflower-species sunroot topinambour tubers uneven vegetable appearance beneficial brown bulk health healthy ingredient kernel kernels medicinal nutritional nutritious pepitas popular pumpkin pumpkin-seeds quantity raw seeds sweet textures uncooked unhulled unhulled-whole-seeds roasted savory savoury spiced spicy bread close-up color coloring colors colour colouring colours enjoy enjoyable fruit fruit-loaf fruitloaf grain multi-grian nuts plate sandwich slice slices snack snack-food sweets taste tasty toast toasted