3.

Light one chimney full of charcoal. When all charcoal is lit and covered with gray ash, pour out and spread the coals evenly over entire surface of coal grate. Set cooking grate in place, cover grill and allow to preheat for 5 minutes. Clean and oil the grilling grate. Grill skewers until beef is well seared on all sides and center of beef registers between 125-130°F on an instant read thermometer, about 3 minutes per side. Transfer skewers to platter and let rest for 5 minutes. Serve immediately.