Sprinkle pork chops with salt and pepper. Heat 2 teaspoons oil in a large nonstick skillet over medium heat. Cook pork chops until lightly browned, 3-4 minutes on each side. Remove and keep warm. , In the same skillet, saute green pepper and onion in remaining 1 teaspoon oil until almost tender, about 2 minutes. Stir in broth, pineapple, ketchup, brown sugar and vinegar. Bring to a boil. Return pork to the pan. Reduce heat; cover and simmer until a thermometer inserted in pork reads 145°, 5-7 minutes. Remove and keep warm., Combine cornstarch and water until smooth; stir into skillet. Bring to a boil; cook and stir until thickened, 1-2 minutes. Serve with pork and, if desired, rice.