The crisp texture, mild flavor, and bold color mean red onions are at their best when eaten raw, sliced on a sandwich or burger, chopped for a salad or salsa.
1 medium = 8 oz. = about 1-1/2 cups chopped
You can use Spanish onions or white onions instead.
Buy firm bulbs with no soft spots, bruises, or other signs of damage. The necks should be tightly closed.
Marinating them briefly in a vinaigrette (or other acidic bath) accentuates their bright purple color.
Keep in a cool, dry, well-ventilated spot.