A red onion is a type of onion known for its purplish-red skin and white flesh with red or purple rings. It has a milder and slightly sweeter flavor compared to yellow or white onions, especially when eaten raw. Common Uses: One of the main ingredients in South Asian cooking Raw in salads, burgers, and salsas Pickled (e.g., quick pickled red onions) Grilled or roasted As a garnish for tacos or Mediterranean dishes