In a small saucepan, melt butter; stir in the flour, salt and pepper until smooth. Add broth. Bring to a boil; cook and stir for 1 minute or until thickened. Remove from the heat and set aside. , In a large skillet, brown the pork chops on both sides in oil; sprinkle with additional salt and pepper if desired., In a greased 13x9-in. baking dish, layer potatoes and onion. Pour broth mixture over layers. Place pork chops on top. , Cover and bake at 350° for 1 hour; uncover and bake 30 minutes longer or until meat and potatoes are tender. If desired, sprinkle with paprika and parsley.