Black Pepper Chicken

Name: Black Pepper Chicken
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: Chinese
Ingredients: 4 skinless (boneless chicken thighs (about 350 grams, cut into strips)); 1 tablespoon soy sauce; 1 teaspoon cornstarch; 1 medium sliced yellow onion; 3 cloves minced garlic; 1 thumb fresh ginger (julienne cut); 1 red bell pepper (cut into strips); 1 green bell pepper (cut into strips); chopped spring onions for garnishing; 2 tablespoons oyster sauce; 1 tablespoon freshly ground black pepper; 1/2 teaspoon chili garlic sauce; 1 teaspoon sesame oil; 1/2 cup water (or low sodium chicken broth); 2 to 3 tablespoons water; 1 tablespoon oil for frying (stir-fry dishes use peanut oil or vegetable oil)