01 -
In a small bowl, combine light brown sugar, garlic powder, onion powder, smoked paprika, salt, black pepper, and ground dry mustard. Mix thoroughly to blend all spices evenly.
02 -
Place chicken legs in a large bowl and sprinkle the spice blend evenly over them. Toss to coat all pieces thoroughly. Cover with plastic wrap and refrigerate for at least 2 hours to marinate; cooking immediately is optional if short on time.
03 -
In a separate bowl, mix barbecue sauce with water until uniform in consistency. Set aside.
04 -
Clean and oil grill grates. Preheat grill to medium heat, approximately 350°F.
05 -
Place chicken legs on the grill. Close lid and cook, turning every few minutes, until internal temperature reaches 130-140°F, about 15-20 minutes depending on size. Adjust grill temperature as needed to avoid burning.
06 -
Baste chicken legs with the barbecue mixture on both sides. Continue grilling, turning and basting every minute, until internal temperature reaches a minimum of 165°F, approximately 10 more minutes. For tenderness and crispier skin, cook to 180-190°F if desired.
07 -
Remove chicken from grill and let rest briefly before serving to retain juices.