Take-Out Style Black Pepper Chicken

Ingredients

• 1 pound boneless skinless chicken breast
• 2 tablespoons soy sauce
• 1 tablespoon rice vinegar
• 1 tablespoon cornstarch
• 1 tablespoon oyster sauce
• 1 tablespoon hoisin sauce
• 1 tablespoon brown sugar
• 1 teaspoon ground black pepper
• 2 tablespoons vegetable oil
• 1 medium onion
• 1 bell pepper
• 2 cloves garlic
• 1 tablespoon ginger
• 1/4 cup chicken broth
• 1 teaspoon sesame oil
• 1/4 teaspoon crushed red pepper flakes