It has green or purplish heads with smooth flavor and texture. It is almost impossible to harvest too early since the smaller leaves are tender and delicious. Harvest in the morning, before the sun makes the leaves lose their plumpness.
Avoid butter lettuce heads with wilted leaves.
Washed and dried lettuce can be stored in the refrigerator in a plastic bag for up to five days. Do not store next to ethylene-producing produce, like apples. Living lettuce should be stored in its original container and rinsed immediately before using.
Fat free, cholesterol free, sodium free, excellent source of vitamin A, good source of vitamin C and folate.