Season pork chops with salt and pepper. In a large nonstick skillet, heat olive oil over medium heat. Cook pork chops until a thermometer reads 145°, 6-8 minutes on each side; remove from pan, reserving drippings., In same pan, saute shallots in drippings until lightly browned. Whisk together pineapple preserves, soy sauce and Dijon; add to pan. Bring to a boil. Reduce heat; simmer, until thickened slightly, about 5 minutes., Add chops back to pan, turning to coat. Sprinkle with sliced green onions.