Mix celery, carrot, and onion with butter in 8 cup measure. Cover and cook for 1 - 1 1/2 minutes on High power (100%). Mix vegetables with stuffing mix, apples, nuts, and raisins. Add enough chicken broth to moisten mixture. Place stuffing in bottom of 2 quart casserole. Arrange pork chops in single layer over stuffing, thickest part to the outside of casserole. Sprinkle with pepper and paprika. Microwave, partially covered, on Medium high power (70%) for 12-20 minutes, or until meat reaches 160 degrees or is only slightly pink.