The materials that need to be prepared in advance include: lettuce 300g, a knife. The specific method is as follows:

1, clean the outer skin of lettuce in the pool.

2, peel the outer skin of the cleaned lettuce.

3, cut the peeled lettuce into equal-sized segments so that the julienne shreds are of the same length and more uniform.

4. Finally, cut the equal-sized segments into julienne strips.