PREHEAT oven to 400°F. Place barbecue sauce, chipotle pepper and garlic in blender container; cover. Blend until smooth.
COAT chicken with barbecue sauce, then dip in peanuts, turning to evenly coat both sides of each wing piece. Place in single layer on greased baking sheet.
BAKE 25 to 30 min. or until lightly browned and cooked through (180°F). Serve warm.