– 1 tablespoon brown sugar – 1 cup soy sauce (low-sodium) – 1 tablespoon cornstarch – 1 tablespoons oil for frying, (peanut, soy or corn) – 2 pound chicken breasts, [0.9 kg], skinned and cut into thin strips – ¼ teaspoon pepper – ¼ teaspoon salt – 1 celery stalk, cut into slices – ½ cup green peas, cut into slices – 1 piece ginger, cut into very fine slices – 1 large carrot, cut into thin strips – 1 head broccoli, cut into florets – 2 cloves garlic, cut into thin slices – 1 bell pepper, cut into thin strips – 1 pack pak choi, cut into slices (optional) – 1 pound baby corn, [0.22 kg] cut into halves – 1 stalk leek, cut into slices