Final answer:
The exact amount of ice water to be used for preparing 5 lbs of lettuce isn't typically specified; it generally involves enough ice water to completely submerge the lettuce in a container, refreshing and crisping the leaves.
Step-by-step explanation:
The question of how much ice water to use for preparing lettuce depends on the specific instructions or preference for the recipe or preparation method. However, based on experience and reference to a similar context where a 4 kg (7-10 lb) bag of ice is typically used per day in a cooler, we could infer that an appropriate amount of ice water would be just enough to immerse the 5 lbs of lettuce, ensuring all leaves are evenly chilled. As for the exact amount, it's not specified in conventional recipes because it usually just requires enough ice water to cover the lettuce completely in a large mixing bowl or sink.
To prepare, submerge the lettuce in a container filled with ice water and let it sit for a few minutes. This method is often used because it helps crisp the lettuce leaves. Afterward, the lettuce should be drained and dried before being used in salads or as desired. The importance of using ice water for lettuce lies in its ability to refresh and crisp up the leaves, making them more appealing and enjoyable in dishes.