First you'll make a spice rub of cumin powder, red pepper flakes, onion powder, garlic powder, salt and pepper. Most of these spices are already part of your pantry staples.
Prepare a grill for medium-high, indirect heat (for a charcoal grill, follow the two zone method, for a gas grill, leave one or two burners off). Oil grates like normal.
Thread lamb kebabs onto skewers, leaving a small gap between each piece of meat. Season generously with spice blend, pressing it onto the meat with your hands to make it stick.
Grill lamb over direct heat, turning every minute or so, until browned and beginning to char in spots, about 4 minutes. Move to cooler side of grill (indirect and continue to grill until lamb is cooked to desired doneness, about 5-6 minutes longer for medium.
nutrition info is for 1 skewer of lamb with spice rub