A visit to the salad bar used to leave you with two choices: iceberg or romaine. But now lunch shops and grocery stores have woken up to all the types of lettuce out there, and there are almost too ...

When you think of lettuce, maybe you picture a bland iceberg wedge on the side of a diner plate, but there’s a world of leafy greens out there, romaine, butterhead, red leaf, green leaf, and yes, even ...