Preparation materials: lettuce, olive oil, salt, soy sauce, vinegar, sesame oil and onion.

Step 1: Prepare lettuce.

Step 2: Wash lettuce, peel and slice.

Step 3, add salt, mix well and marinate for 30 minutes.

Step four, rinse and squeeze out water.

Step five, release the smoke.

Step six, put some salt.

Step 7, put some vinegar and sesame oil.

Step 8, put olive oil in the pot, turn off the heat when the oil temperature is slightly higher, and add chopped green onion to stir fry.

Step 9, pour in onion oil, stir well, and prepare cold lettuce.