Prep: 5 minutes; Cook: 18 minutes. You can make the cherry sauce with either fresh or frozen berries.
Prepare the grill. Then lightly spray the grill rack with cooking spray.
Lightly crush cherries in a small saucepan. Add the wine or water and next 6 ingredients (through preserves). Bring the mixture to a boil; reduce heat, and simmer, stirring occasionally, 10 minutes.
Grill the chicken, covered, for 4 minutes on each side or until it is cooked through. Serve chicken topped with cherry sauce.