alliaceae allium allium cepa brown onions bulbs circles common onions cultivars cut edible flavonoids flavor flavour food green growing growth half halved healthy layers leaves lines medicinal mild nutritious odor odour onion oval-shaped paper thin papery skin peel peeling pungent raw round salad vegetable shooting shoots skins soup vegetable stir fry vegetable tangy tasty thin vegetable white appearance colored colors coloured colours compare comparison cooking culinary dicotyledonous enormous gigantic golden-sweet-potato herbaceous-perennial-vine ipomoea-batatas kūmara kūmera large nutritional plant popular purple root root-vegetable shape shapes size Sizes skin-colours starchy surface surfaces sweet-potato sweet-potatoes texture textures tuber tuberous uncooked varieties vine beneficial carrots colorful coloring colourful colouring contrast contrasting courgette cucurbita-pepo daucus-carota fast-growing flavouring fresh fruit golden-zucchini health health-benefits nutrition sliced summer-squash taproot variable variety vegetables yellow yellow-squash yellow-straightneck-squash zucchini accessible brisling bristling calcium can canned clupeidae crammed European-sprat fatty-acids fish heart-healthy herring-family herring-like marine-fish nonperishable nutrient-rich nutrients oil oily-fish omega-3 open opened packed pilchards portable potential sardines self-contained-food silvery skin skipper small sprat sprattus-sprattus tight tightly-packed tin tinned tins vitamins aromatic bulb condiment cultivar flavoring fragrant garden onions moist onions purple onion red Red onion rings Spanish onion veg