Wonton Soup

Name: Wonton Soup
Ingredients: 8 cups good quality chicken broth; 1 tablespoon low sodium soy sauce; 1 1/4 teaspoons sesame oil, divided; 1 inch peeled ginger, sliced; 2 scallions, thinly sliced, white and green parts separated; 1 teaspoon ginger, grated; 1 garlic clove, minced; 1 tablespoon fish sauce; 1/2 teaspoon cornstarch; 1/8 teaspoon freshly ground black pepper; 3/4 pound groung pork; 6 ounces wonton wrappers