Make the marinade: In a bowl whisk together the olive oil, chili flakes, salt, lemon juice, dried oregano, ground pepper, fresh minced rosemary and pressed garlic.

Add the rack of American lamb to a baking sheet and use your hands to rub the mixture all over the rack of American lamb. Let sit to marinate at room temperature for 30-45 minutes.

While the lamb is marinating, preheat the oven to 425F.

Place the lamb on a parchment or foil-lined baking sheet. Roast the lamb for 15 minutes, then flip the rack of lamb over and roast for another 10-15 minutes or until the lamb is done to your desired doneness - internal temperature inserted into the center should read:

Let stand for 10 minutes before slicing the lamb between the bones into servings. Finely chop the mixed herbs and sprinkle over top of the lamb before serving.