You will also need: Mini wooden kebab skewers, that have been soaked in cold water for 20 minutes.
Put the lamb cubes in a large bowl; add the garlic, ginger, seasoning and half the satay sauce. Mix together. Preheat the grill to moderate.
Thread the lamb onto the skewers and cook under the grill for 4-6 minutes on each side.
Meanwhile, warm the remaining satay sauce and transfer to a small bowl. Scatter over the chopped peanuts.
Serve the lamb satay on top of the red onion slices and the warm sauce.