In a small sauce pan, prepare glaze. Melt butter over medium heat and add minced onion and garlic. Cook for about 3 minutes.
Add in orange juice, apricot preserves, and mustard; stir well. Bring to a boil, then reduce heat and simmer until glaze has thickened, about 8 minutes. Remove from heat.
Heat vegetable oil over medium heat in a large skillet.
Season boneless pork chops on both sides with Italian seasoning and a pinch each of salt and pepper.
Cook pork chops for 4-5 minutes per side. During the last 2 minutes of cooking, spoon glaze over top each porkchop. Turn pork chops to coat all sides in glaze.