Green Beans and Chicken

Ingredients

• 1 pound boneless skinless chicken breasts, sliced into 1/4-inch strips
• 1 tablespoon mirin (a sweet Japanese wine)
• 1 teaspoon cornstarch
• ½ teaspoon salt
• ¼ teaspoon freshly ground white pepper
• 3 tablespoons oyster sauce
• 2 tablespoons mirin (a sweet Japanese wine)
• 2 tablespoons rice wine vinegar
• 1 tablespoon honey
• 1 tablespoon soy sauce
• 1 tablespoon cornstarch
• 1 teaspoon sesame oil
• 1 pound fresh green beans, trimmed
• 1 medium white onion, peeled
• 2 tablespoons peanut oil, divided
• 2 tablespoons water
• 3 cloves garlic, minced