Place garlic in the bowl of a food processor and pulse until finely minced. Add the parsley, bread crumbs, mustard, salt, and pepper and pulse until chopped. With the bad running, slowly add olive oil just until the mixture comes together in a very thick paste.
Place the rack of lamb on a roasting pan, fat cap up, and rub the herb mixture all over the top of the rack. Roast at 450 degrees for 15 minutes, then reduce the heat to 300 degrees and roast until the internal temperature reaches 125 degrees (for medium rare), about 5-10 minutes Let meat rest before slicing. Serve 2-3 ribs per person depending on how meaty they are.
Recipe by Cooking With MicheleĀ® at https://cookingwithmichele.com/2019/04/herb-crusted-rack-of-lamb/