Red Onions are cultivars of the onion with purplish-red skin and white flesh tinger with red. These onions tend to be medium to large in size and have a mild flavor. Red onions are available throguout the year. Sweetness is the red onions greatest strenghts. The sharpness of its flavour and the intensity of its smell are slightly more potent than that of the white onion, but the sugar content is much higher.