Once the barbecue has preheated, brush the cooking grills clean with a wire brush. Grill the lamb backstraps over direct medium-high heat, with the lid closed, for 2 minutes per side. As lamb backstrap is best served medium rare to medium, cook until it reaches an internal temperature of 50C, then remove from the barbecue and leave it to rest for 5 minutes before slicing. While the lamb is cooking, grill the red onion skewers for 5 minutes per side, turning as needed.
Once the barbecue has preheated, brush the cooking grills clean with a wire brush. Grill the lamb backstraps over direct medium-high heat, with the lid closed, for 2 minutes per side. As lamb backstrap is best served medium rare to medium, cook until it reaches an internal temperature of 50C, then remove from the barbecue and leave it to rest for 5 minutes before slicing. While the lamb is cooking, grill the red onion skewers for 5 minutes per side, turning as needed.
Once the barbecue has preheated, brush the cooking grills clean with a wire brush. Grill the lamb backstraps over direct medium-high heat (over the fire), with the lid closed, for 2 minutes per side. As lamb backstrap is best served medium rare to medium, cook until it reaches an internal temperature of 50C, then remove from the barbecue and leave it to rest for 5 minutes before slicing. While the lamb is cooking, grill the red onion skewers for 5 minutes per side, turning as needed.
Once your barbecue has preheated, brush the cooking grills clean with a wire brush. If you are using a Weber Pulse: turn the control knob(s) to one notch greater than medium (240°C-260°C). Grill the lamb backstraps over direct medium-high heat, with the lid closed, for 2 minutes per side. As lamb backstrap is best served medium rare to medium, cook until it reaches an internal temperature of 50C, then remove from the barbecue and leave it to rest for 5 minutes before slicing. While the lamb is cooking, grill the red onion skewers for 5 minutes per side, turning as needed.
Once your barbecue has preheated to the set temperature (SmokeFire: 270°C), brush the cooking grills clean with a wire brush. Grill the lamb backstraps over direct medium-high heat, with the lid closed, for 2 minutes per side. As lamb backstrap is best served medium rare to medium, cook until it reaches an internal temperature of 50C, then remove from the barbecue and leave it to rest for 5 minutes before slicing. While the lamb is cooking, grill the red onion skewers for 5 minutes per side, turning as needed.