Slice 1/2 to 1-inch slits between each bone of the lamb racks to assure the meat roasts evenly. Season each rack with salt and black pepper on all sides. Heat vegetable oil in skillet over high heat. Brown each lamb rack for 2 to 3 minutes on each side. Transfer lamb racks to the foil-lined baking sheet. Brush each rack with mustard and honey mixture. Sprinkle mint mixture over the top and sides of each rack. Bake in the preheated oven until browned on top and medium rare in the center, about 20 minutes.
Roast Lamb. Medium - 15 minutes per lb (450g). Well done - 20 minutes per lb (450g). Slow Roasting. The times for the slow roasting method are as follows: Cook in Roasting Oven for about 30 minutes, or until beginning to brown, then transfer to the Simmering Oven for double the remaining cooking time.ell done - 20 minutes per lb (450g). Slow Roasting. The times for the slow roasting method are as follows: Cook in Roasting Oven for about 30 minutes, or until beginning to brown, then transfer to the Simmering Oven for double the remaining cooking time.
Cook the chops for 7 to 8 minutes, turning once. Place the lamb chops in the skillet and flip them over after 3 1/2 to 4 minutes using tongs. Continue cooking for an additional 3 1/2 to 4 minutes, or until done.