3teaspoons vegetable oil
1small head (about 1 pound) Napa cabbage, cut into 2-inch pieces
3cloves garlic, sliced
1piece fresh ginger ( 1/2 inch), cut into matchsticks
1 1/2teaspoons cornstarch
1/4cup soy sauce
4scallions, thinly sliced
1teaspoon rice wine vinegar
1. In a large skillet or wok, heat 1 teaspoon of the vegetable oil . When it is very hot, add half the cabbage. Cook, stirring constantly, for 3 minutes or until leaves begin to brown. Remove them from pan. Use 1 teaspoon of the remaining vegetable oil to cook the remaining cabbage in the same way; remove from the pan.
2. Add the remaining 1 teaspoon vegetable oil to pan. Cook the garlic and ginger, stirring constantly, for 1 minute.
3. In a small bowl, stir together the water and cornstarch. Stir the soy sauce into the pan. Add the cornstarch mixture and bring to a boil.
4. Return all the cabbage to pan, stirring well to coat it all over. Cook, stirring often, for 5 minutes or until the cabbage is tender.
5.Remove from the heat. Stir in the scallions and vinegar.