Herb Crusted Roasted Rack of Lamb Recipe

Roasted Rack of Lamb makes an elegant main course for holidays and special occasions. This herb-crusted rack is quick to prepare: fresh garlic, rosemary and thyme combine with Dijon mustard and a splash of balsamic to form a savory crust. Roast briefly at high heat for a juicy, tender rack best enjoyed medium-rare.

Lamb rack and lamb chops cooked to medium rare on a white plate.

Disclaimer: I grew up in a household where lamb was common, so I’ve learned to cook it well. I don’t prepare lamb every week, but when I do it’s for a special meal—often for family gatherings. The photos in this post show a perfectly cooked rack and the feedback has always been that the flavor is outstanding.

✔️ Roasted Rack Of Lamb Recipe

This classic roasted rack of lamb is an impressive, restaurant-style dish you can make at home. It’s ideal for Easter, Christmas, Valentine’s Day or any special dinner. A frenched rack makes a beautiful presentation but this recipe works with any rack trimmed to your preference. The method is straightforward and delivers bold flavor without complicated techniques.

✔️ Herb Crusted Rack of Lamb

The herb crust for this rack of lamb uses fresh rosemary and thyme, garlic, Dijon mustard and a touch of balsamic vinegar. The herbs are finely minced and blended with the mustard and vinegar, then pressed onto the meat before roasting. The result is a thin, savory crust that complements the rich lamb without overpowering it.

two golden brown roasted lamb racks with 2 ribs cut off.

🔎 What’s a Rack of Lamb?

A rack of lamb comprises seven or eight ribs with the loin meat attached. It’s a premium cut sold as a whole rack or as individual rib chops. A whole rack typically serves two to four people depending on portion size and presentation. This cut benefits from quick, high-heat cooking methods like roasting, grilling, or searing to preserve tenderness and juiciness.

🔎 What Is a Frenched Rack of Lamb?

“Frenched” means the meat and fat between the rib bones have been trimmed clean to expose about two inches of bare bone. Many butchers sell racks already frenched; you can also ask your butcher to french the rack for you if you prefer not to trim it yourself.

Pink medium-rare lamb ribs from a lamb rack served with roasted potatoes and green beans.

✔️ Herb Crusted Lamb Ingredients

  • Rack of lamb – 2 racks, frenched if possible (about 1.5 lb each)
  • Fresh rosemary – finely chopped (about 1 tbsp)
  • Fresh thyme – finely chopped (about 1 tsp)
  • Garlic – 3–4 cloves, minced
  • Dijon mustard – about 6 tablespoons
  • Balsamic vinegar – about 1 tablespoon
  • Sea salt or kosher salt – 2–3 teaspoons, to taste
  • Ground black pepper – 1/4 teaspoon or to taste
Necessary ingredients to make herb crusted rack of lamb

🔎 How to Cook a Rack of Lamb in the Oven

This simple oven method produces a tender, medium-rare rack with a flavorful herb crust. Timing below is for racks roasted at high heat (450°F / 232°C).

  1. Prep: Pat racks dry with paper towels. Place on a rimmed baking sheet or roasting pan, fatty side up, with bones curving down.
  2. Make the herb mixture: In a food processor combine salt, pepper, garlic, thyme and rosemary and pulse until finely minced. Add Dijon mustard and balsamic vinegar and process just until combined.
  3. Coat the lamb: Spread the herb-mustard mixture over the meat side of the racks. Let sit at room temperature for 30–60 minutes to take off the chill and let flavors meld.
  4. Roast: Preheat oven to 450°F. Roast for roughly 20 minutes for rare or 25 minutes for medium-rare. Oven times vary; use an instant-read thermometer for best accuracy.
  5. Rest and serve: Tent loosely with foil and let rest 10–15 minutes so juices redistribute. Slice between the ribs to serve individual chops if desired.
Container with an herb and mustard mixture (ingredient to make herb crusted lamb rack)
Two racks of lamb coated with an herb and Dijon mustard mixture in a roasting pan.

✔️ Lamb Rack Temperature

For the best texture and flavor serve lamb medium-rare: aim for an internal temperature of 125–130°F (52–54°C). For medium, target 130–135°F (54–57°C). To avoid overcooking, pull the racks from the oven 5–10°F below your target; carryover heat during resting will raise the internal temperature to the desired doneness.

Medium rare lamb ribs on a white plate

✔️ Storing and Reheating

Storing: Refrigerate leftovers in an airtight container for up to 3 days.

Reheating: Reheat gently in a 300°F oven covered with foil, with a splash of broth or water in the dish to keep the meat moist. You can also warm slices in the microwave at reduced power; short bursts and resting help maintain juiciness.

🔎 What to Serve with Rack of Lamb

Seasonal side dishes balance the rich lamb. In spring and summer, pair with asparagus, a light salad or roasted carrots. In fall and winter, serve with mashed potatoes, roasted sweet potatoes or Brussels sprouts. Choose sides that complement the herb crust and keep the plate colorful.

Individually cut lamb chops served with roasted potatoes and green beans

🔪 Rack of Lamb Tips

  • Choose racks that are rosy pink; dark red can indicate older meat and less tenderness.
  • Leave a thin layer of fat when trimming; it adds flavor and helps protect the meat during roasting.
  • Use an instant-read thermometer at the thickest part of the meat to check doneness for reliable results.
  • Allow the meat to rest after roasting so juices redistribute for a tender, juicy result.

This herb-crusted roasted rack of lamb is an elegant, straightforward centerpiece that rewards a little attention with big flavor—perfect for any special meal.