How can I prepare a delicious butterflied hot dog for a summer barbecue?

To prepare a delicious butterflied hot dog for a summer barbecue, start by slicing the hot dog lengthwise without cutting all the way through. Then, grill the hot dog until it is cooked through and slightly charred. Serve on a toasted bun with your favorite toppings like mustard, ketchup, onions, and relish. Enjoy!