Wash and dry lettuce. Take out core. Cut leaves into 3 x 5 inch pieces.
Whisk together soy sauce, sesame oil, rice wine, sugar, salt, and pepper.
Pour cooking oil in a wok and heat over high heat. Sauté garlic 30 seconds. Mix in lettuce and sauté until slightly limp, about 2 minutes. Mix in soy sauce mixture and sauté 1 minute. Spoon onto a serving platter.