Red Onion Best raw Onion Vibrant color makes red onions a great choice for fresh uses, grilling, charbroiling and roasting. Red onions are best raw and perfect for pickled onions. Shop Now Enjoy them: Raw Fried Pickled Grilled Onionology Onions 101 Did you know… Cut onions can be stored in the refrigerator in an air-tight container for 7-10 daysTo keep them even longer, freeze them in a resealable bag or airtight container. Red onions are best for raw applications such as salad, burgers or sandwiches Red onions have a mild, sweet flavor making them ideal for pickling and grilling Let's Eat Pickled Red Onions Frittata with Red Onions Chimichurri Steak with Red Onions View All Recipes