Heat oven to 350. Place rotisserie chicken in roasting pan.

In bowl combine peach preserves, dijon mustard, chopped onion, thyme, and garlic powder until blended. Brush 1/2 peach glaze evenly over chicken.

Cook chicken 10 min or until heated through, brushing occasionally with remaining glaze. Transfer to serving platter. Garnish with sliced peaches, parsley, and thyme if desired.