Korean Lettuce and Onion Salad

Steak and onions are a marriage made in steak house heaven. Koreans display an equal enthusiasm for the combination—witness this tangy onion and lettuce salad, another one that is served with grilled meats at the sprawling Samwon Garden steak house in Seoul. Elsewhere in Korea, I found spring onion and scallion salads prepared in a similar fashion. The sesame seeds and vinegar tend to neutralize the pungency of the onion, especially if you use a sweet onion. Serve the salad with