Fresh Green Onion/Scallion Hanh la. All parts of the immature onion can be used in culinary dishes, and Green onions are especially favored in Mexican and Asian cooking for their fresh flavor and rich color.Green onions are best for both raw and cooked applications such as stir-fry, saute, roaste, and grill. The onion can be sliced or chopped and sprinkled over a salad, noodles, pizza, pasta, casseroles, stews, and curries, garnished over soup such as egg drop or tortilla, minced onto deviled eggs or in pancakes, mixed into salsa, baked into biscuits, layered in sandwiches, or added to stir-fries. The whole onion can also be flash blanched and grilled, which brings out robust and sweet flavors allowing for bolder pairings such as grilled fish and meats. Green onions pair well morels, chanterelles, sweet peas, swiss chard, collard greens, broccoli, snow peas, carrots, radishes, bell pepper, citrus, eggs, and meats such as pork chops, poultry, turkey, and seafood.