Follow these simple steps to create a delicious Black Pepper Chicken:

1. Prep the Chicken: Slice the chicken breast into thin strips and season with salt and half of the black pepper.
2. Heat the Oil: In a large pan or wok, heat the vegetable oil over medium-high heat.
3. Cook the Chicken: Add the chicken to the hot oil and stir-fry until browned and cooked through, about 5-7 minutes. Remove the chicken and set it aside.
4. Sauté the Vegetables: In the same pan, add the onion, bell pepper, garlic, and ginger. Stir-fry for about 2-3 minutes until the vegetables are tender.
5. Combine: Return the cooked chicken to the pan with the vegetables.
6. Add Sauces: Pour in the soy sauce and oyster sauce, stirring well to combine all ingredients.
7. Thicken the Sauce: If desired, mix the cornstarch with a little water and stir it into the chicken mixture for a thicker sauce.
8. Season: Add the remaining black pepper and adjust salt and pepper to taste.
9. Garnish: Remove from heat and sprinkle with chopped green onions for a fresh touch.
10. Serve Immediately: Enjoy your Black Pepper Chicken while hot, ideally with steamed rice or noodles.