1Generously spray 12-inch nonstick skillet with cooking spray; heat over medium-high heat. Cook pork chops in skillet about 6 minutes, turning once, until brown on both sides. Remove pork from skillet; cover to keep warm.
2Reduce heat to medium. Add onions to skillet; cook 3 minutes. Stir in broth and pepper. Return pork to skillet; spoon onion mixture over pork. Cover tightly and simmer 12 minutes or until pork is no longer pink and meat thermometer inserted in center reads 160°.
3Mix milk and flour in small bowl. Add to skillet; cook 2 to 3 minutes, stirring constantly, until thickened.