Skillet Herbed Stuffing   Author: Rhiannon Ingredients 3 T. butter 1 cup celery, chopped 1 cup onion, chopped  2 1/2 cups chicken broth black pepper 1 pkg. (14 ounces) Pepperidge Farm® Herb Seasoned Stuffing Instructions Saute the celery and onion in the butter in a large skillet over medium heat under onions are soft. Reduce the heat