1Combine teriyaki sauce, garlic salt, and black pepper in a bowl.
2Place pork chops on a deep plate. Pour 3/4 of the teriyaki mixture on top. Flip pork chops to coat second side. Let marinate in the refrigerator, about 30 minutes.
3Heat oil in large skillet over medium heat; add pork chops, discarding marinade. Cover and cook until pork chops are browned, about 15 minutes. Flip and continue cooking until pork chops are cooked through, about 10 minutes. Uncover and pour in remaining 1/4 of the teriyaki mixture. Cover and simmer until flavors combine, about 5 minutes.
Nutrition data for this recipe includes the full amount of marinade ingredients. The actual amount of marinade consumed will vary.