Onion purple

The high-fiber content of purple onions makes them beneficial for your bowels. They are full of compounds that protect your body from the damaging effects of free radicals.


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Purple or red onions have a milder flavor than white or Spanish onions. Eat them raw — sliced on a burger — or saute them with other veggies in a stir-fry. Purple onions add plenty of flavor to grilled sandwiches, pastas and salads but provide a minimal amount of calories per serving.