What is a "pearl onion"?

Pearl onion is a small, round onion with a mild flavor and a slightly sweet taste. It is typically white, although it can also be found in shades of red and yellow. Pearl onions are often used in cooking as a flavoring agent or garnish. They can be pickled, roasted, sautéed, or used whole in soups, stews, and braised dishes. Due to their small size and delicate flavor, pearl onions are popular for adding texture and depth to dishes without overpowering other ingredients.