Lettuce is more than the iceberg variety of diner dinner salads. In fact, even iceberg lettuce (also known as crisphead) is no longer that familiar. The lettuce family is huge and rapidly growing. Lettuce itself is still a standard for salads, but it can also be added to sandwiches, used as a wrap for a filling or cooked. (Look for darker leaves to get the most nutrition out of the leaves.) And despite its prevalence in summer salads, it is a true cool-season crop.
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