Coat a large nonstick skillet with cooking spray; place over medium heat until hot. Add meatballs; cook 10 minutes or until browned, stirring frequently. Remove from skillet; set aside. Add garlic to skillet; saute 30 seconds. Add wine; bring to a boil over medium heat, and cook 1 minute. Return the meatballs to skillet; cover and cook 5 minutes or until done. Remove from heat.
Remove meatballs from the skillet with a slotted spoon; set aside, and keep warm. Add sour cream (at room temperature) and pepper to wine mixture in skillet; stir well.
Yield: 4 servings.