Chicken Soup with Matzo Balls

Name: Chicken Soup with Matzo Balls
Ingredients: 2 cups matzo meal; 1 tablespoon kosher salt, plus more for seasoning; 1/2 teaspoon ground white pepper; 1 tablespoon onion powder 8 extra-large eggs; 1/2 cup schmaltz or vegetable oil; 1 cup small diced onions; 1/2 cup small diced carrots; 1/2 cup small diced celery; 2 tablespoons schmaltz or vegetable oil; 4 quarts good-quality chicken stock; 2 bay leaves; Kosher salt and black pepper; 1 cup cooked fine egg noodles; 1 cup shredded cooked chicken breast meat