Place a skillet over high heat. Add coriander seeds, fennel seeds and cumin. Cook for about a minute, then remove from the heat and transfer the seeds to a mortar, then crush them with the pestle.
Prepare the lamb skewers
Cut the lamb rump into 3x3 (1-inch x 1-inch) cubes. Season with salt, pepper. Add olive oil and half of the seeds, rub it into the meat and thread the lamb onto eight skewers.
Add garlic, fresh mint (leaves only) to the rest of the seeds. Crush it using a pestle, then gradually, in a thin stream add the olive oil. Season with salt, pepper and juice of one lemon. Set aside.
Prepare your grill pan or barbecue. Cook the skewers for 2 - 3 minutes on each side for medium or 4 - 5 minutes on each side for well done.TipOverall, cook the lamb skewers for about 10 minutes for medium or 15-18 minutes for well done.
Serve your lamb skewers with mint sauce with skillet flatbread, hummus, fresh mint and mint sauce. Enjoy.