30-Minute Black Pepper Chicken with Mushrooms Recipe - Graceful Flavors

Ingredients

• 2 boneless, skinless chicken breasts, sliced
• 1 tablespoon cornstarch
• 1 teaspoon salt
• ½ teaspoon black pepper
• 2 tablespoons vegetable oil, divided
• 1 onion, chopped
• 2 cups sliced mushrooms
• 3 cloves garlic, minced
• 2 tablespoons soy sauce
• 1 tablespoon oyster sauce
• 1 teaspoon sesame oil
• ¼ cup water
• Freshly ground black pepper, to taste
• Green onions for garnish (optional)