In 12-inch nonstick skillet, cook bacon over medium heat, stirring occasionally, until crisp. Remove bacon with slotted spoon; drain on paper towels. Drain all but 1 tablespoon bacon fat from skillet.
Sprinkle pork chops with garlic salt and pepper. Add pork chops to bacon fat in skillet over medium heat. Cook pork 3 to 4 minutes, turning once, until lightly browned. Remove pork from skillet; set aside. Stir in soup and onions; heat to boiling, stirring occasionally. Reduce heat; simmer uncovered 5 minutes, stirring occasionally.
Return pork to skillet. Cover; simmer 8 to 10 minutes, turning once, until pork is no longer pink in center. Remove from heat, stir in sour cream. Sprinkle with bacon and parsley.