Chicken Corn Soup (30-Min Recipe!)

Name: Chicken Corn Soup (30-Min Recipe!)
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Chinese
Ingredients: 4 ounces boneless skinless chicken breast ((or thighs; cut into very small cubes/finely chopped)); 1 tablespoon water; 1 teaspoon cornstarch; 1 teaspoon oyster sauce; 1½ cups sweet corn kernels ((fresh or frozen)); 5 cups chicken stock; ½ teaspoon turmeric powder; ½ teaspoon sesame oil; ½ teaspoon salt ((or to taste)); 1 pinch white pepper; 2 egg whites ((lightly beaten; you can also include the yolks)); 1 scallion ((chopped)); 1 tablespoon cilantro ((chopped, optional)); Freshly ground black pepper ((optional)); 1/4 cup cornstarch; 1/2 cup chicken stock