Selective Blur On A Studio Shot Of A Three Bulbs Of Red Onions Isolated On A Black Background. Red Onion, Also Called Purple Or. Picture Of Three Red Onions Isolated On A Black Background. Red Onions (Also Known As Purple Or Blue Onions In Some Mainland European Countries) Are Cultivars Of The Onion (Allium Cepa), And Have Purplish-Red Skin And White Flesh Tinged With Red. They Are Most Commonly Used In Cooking, But The Skin Has Also Been Used As A Dye

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red onion purple blue three onions isolated black background single food vegetable bulb allium cepa herbs nutrition grocery cuisine culinary plant agriculture raw organic golden ingredient closeup studio shot root seasoning vegetarian macro scallion healthy natural nature selective blur bulbs background called mainland european countries cultivars purplish-red skin white flesh tinged red commonly used cooking dye