Originally known as Crisphead lettuce due to its shape and texture, Iceberg lettuce was the first variety to be successfully transported across the United States. The leaves will keep over a week when stored wrapped in a damp paper towel in a plastic bag in the crisper drawer of the refrigerator. Iceberg lettuce pairs well with herbs such as basil, mint, and flat leaf parsley, lemon, honey, tomatoes, shallots, green onions, chives, hard-boiled eggs, bacon, pork, fish, shrimp, grilled chicken, and a classic vinaigrette of olive oil, dried herbs, and cider vinegar. When cooked, Iceberg lettuce can be lightly braised or chopped and sautéed into a stir-fry, used similarly to cabbage. It is most well-known for its use in a cold wedge salad with Roquefort or blue cheese dressings, but it can also be shredded as a garnish, layered in sandwiches, used as a lettuce cup for fillings such as taco meat, shrimp, or chicken, or used to wrap burgers for a low-carb main dish. Iceberg lettuce is best suited for both raw and cooked applications such as braising and stir-frying. Iceberg lettuce is a good source of potassium, iron, calcium, fiber and vitamins A, C, and K. Iceberg lettuce is favored for its long storage capabilities, versatility in culinary applications, and crunchy texture. This eliminates the opportunity for the lettuce to quickly break down. Iceberg lettuce that is developed for supermarket standards is packed in the field into cartons and then immediately oxygen deprived, and vacuum cooled in cold rooms to remove field heat. Iceberg lettuce is one of the only lettuce varieties that does not occur in red form as well as green. Iceberg lettuce, botanically classified as Lactuca sativa, is the name given to dozens of cultivars of lettuce, all of which are adapted to specific planting regions and time periods and belong to the Asteraceae family. Iceberg lettuce is crunchy and juicy with a mild, sweet flavor. The leaves vary in color depending on the particular cultivar, but the outer leaves are typically light green while the inner leaves range from pale yellow to a translucent white. The firm head is tightly packed with broad, thick, and crisp leaves that are concentrated with a high-water content.
Iceberg lettuce is medium to large in size, averaging 25-30 centimeters in diameter, and is spherical in shape, similar to cabbage.
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