Ingredients

  • 3 tablespoons kosher salt
  • 14 teaspoon red pepper flakes
  • 1 12 teaspoons fresh ground black pepper
  • 1 teaspoon finely chopped fresh rosemary
  • 1 12 teaspoons finely chopped fresh thyme
  • 2 tablespoons minced garlic
  • 12 cup olive oil
  • 2 teaspoons Dijon mustard
  • 1 butterflied leg of lamb, 2 1/2 to 3 lb
  • 4 lbs fingerling potatoes
  • 10 rosemary sprigs, each about 8 inches long, leaves removed except at tips

Method

  • In a large bowl, stir together 2 Tbs.
  • of the salt, the red pepper flakes, 1/2 teaspoons of the black pepper, the chopped rosemary, thyme, garlic, 1/4 cup of the olive oil and the mustard.
  • Coat the lamb on both sides with the mixture.
  • Cover and refrigerate for 5 to 6 hours.
  • In a large pot of salted boiling water, cook the potatoes until tender, 5 to 7 minutes.
  • Drain and let cool.
  • Skewer the potatoes onto the rosemary sprigs.
  • Rub the potatoes with the remaining 1/4 cup olive oil.
  • Season with the remaining 1 Tbs.
  • salt and 1 teaspoons black pepper.
  • Prepare a medium-hot fire in a grill.
  • Place the lamb on the center of the grill rack, close the lid and grill for 10 minutes.
  • Turn the lamb over and arrange the potato skewers on the grill.
  • Close the lid and cook, turning the potatoes occasionally, until an instant-read thermometer inserted into the center of the lamb registers 130 to 135F for medium-rare to medium, 10 to 15 minutes more.
  • Transfer the lamb to a cutting board, cover loosely with aluminum foil and let rest for 5 to 10 minutes.
  • Place the potato skewers on a warmed platter.
  • Cut the lamb into thin slices and arrange on the platter alongside the potatoes.