01 -
Cut chicken into bite-sized pieces.
02 -
In a bowl, mix oyster sauce, soy sauce, black pepper, cornstarch, salt, and water until well combined.
03 -
Heat vegetable oil in a pan over medium heat. Add the chicken and cook until golden brown, about 5-7 minutes.
04 -
Stir in onions, garlic, mushrooms, and green bell pepper. Cook for another 3-4 minutes until softened.
05 -
Pour the sauce over the chicken and vegetables. Stir well and cook until the sauce thickens, about 2-3 minutes.
06 -
Drizzle with sesame oil, give it a final stir, and serve hot with rice.