Stir Fried Chicken With Peanuts

Name: Stir-Fried Chicken With Peanuts
Ingredients: ⅓ cup soy sauce; 3 tablespoons shaoxing cooking wine or dry sherry; 1 tablespoon rice vinegar or white vinegar; ½ teaspoon sugar; ½ teaspoon toasted sesame oil; 1 whole boneless, skinless chicken breast (about 1 ½ pounds); 1 ½ tablespoons peanut oil or vegetable oil; ¾ cup unsalted dry-roasted peanuts or cashews; 2 whole scallions, thinly sliced; 4 whole dried Chinese red peppers; 2 garlic cloves, minced; 1 tablespoon cornstarch