Matzo Ball Soup

Name: Matzo Ball Soup
Ingredients: 2 to 3 quarts low-sodium chicken stock or broth; 1 3-pound chicken, trussed; 1 1/4 cups matzo meal; 1/2 teaspoon granulated garlic; 1/2 teaspoon baking powder; 1/2 teaspoon baking soda; Kosher salt and freshly ground pepper; 5 large eggs (3 separated); 1/4 cup melted chicken fat (schmaltz) or vegetable oil; 1/4 cup minced onion; 1 tablespoon vegetable oil, for forming the matzo balls; 4 large sprigs dill; 4 large sprigs parsley; 1 large carrot, thinly sliced; 2 celery stalks, thinly sliced; 1 small onion, cut into 1/2-inch dice; 1/4 pound rutabaga, peeled and cut into 1/2-inch dice