Peel onions, cut in half and slice thin. Place in large non-metal bowl. Grate peel from limes and juice. Mix peel, juice, garlic, oil, and pepper and add to onion slices. Mix well, cover and place in refrigerator for a minimum of 30 minutes **. When ready to serve, toss again, adding chopped cilantro and salt, if desired. Serve chilled.
*Optional ingredients are not included in dietary analysis.
** May be made ahead and chilled up to 24 hours before using.
Each serving provides: An excellent source of vitamin C.
Recipe courtesy of Produce for Better Health Foundation (PBH). This recipe meets PBH and Centers for Disease Control & Prevention (CDC) nutrition standards that maintain fruits and vegetables as healthy foods.