Everything tastes better al fresco. But grilling does have its challenges. Where to warm up the barbecue sauce or cook that side dish, when your freestanding grill is full up with steaks or burgers? Very simple: the Wolf 13in Side Burner. It provides you with just enough extra grill space for sauces, side dishes and heating buns or bread, and has plenty of power, with a burner rating of 25,000 BTU.