1. Introduction to the Recipe
The Rosemary Crumbed Rack of Lamb recipe is an elegant, flavorful dish that elevates lamb to a centerpiece worthy of holiday dinners or special occasions. This recipe features a delicate, aromatic crust made from fresh rosemary, garlic, Parmesan, and panko breadcrumbs, which adds a satisfying crunch while locking in the lamb’s natural juices. A Dijon mustard “glue” binds the crumb topping, enhancing the savory flavor while keeping it beautifully adhered to the meat.
The addition of an optional creamy white wine and mustard sauce brings a silky richness that complements the herb-crusted lamb perfectly. Using a rack of lamb ensures a tender, evenly cooked roast with an impressive presentation, whether you choose a Frenched rack or leave it whole. The garlic and rosemary infusion offers a fragrant and savory taste experience, creating a dish that’s as delicious as it is visually striking.
For guidance on selecting high-quality lamb, check a link to lamb buying tips, and for tips on breadcrumb and herb mixtures, visit a link to crumb coating techniques. This recipe is approachable for home cooks while yielding restaurant-quality results. With step-by-step instructions, advanced techniques, storage advice, dietary adaptations, and FAQs, you’ll have everything you need to master this exquisite dish.
2. Basic Recipe: Ingredients and Instructions
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Rosemary Crumbed Rack of Lamb – Elegant Herb-Crusted Roast
Description
Impress with this Rosemary Crumbed Rack of Lamb recipe featuring a garlic parmesan crust and optional creamy white wine mustard sauce.
Ingredients
Rack of Lamb:
- 1 rack of lamb (6–9 bones), Frenched or not (Note 1)
- 1 ¼ tsp salt
- ¾ tsp black pepper
- 2 tbsp olive oil
Dijon Mustard “Glue”:
- 3 tsp egg, lightly whisked (Note 2)
- 3 tbsp Dijon mustard
- 1 tbsp fresh rosemary leaves, finely chopped
- 1 small garlic clove, minced
Garlic Parmesan Crumb:
- 1 cup Panko breadcrumbs (Note 3)
- 2 tbsp Parmesan, finely grated
- 1 garlic clove, finely minced
- ¼ tsp salt and pepper each
- 2 tbsp fresh rosemary leaves, finely chopped
- 30 g / 2 tbsp butter, melted
Creamy White Wine & Mustard Sauce (Optional, Note 5):
- 1 cup dry white wine
- 1 cup low-sodium chicken stock
- 1 cup heavy cream
- 1 tbsp Dijon mustard
- 1/8 tsp salt and pepper each
Instructions
- Preheat Oven
Preheat oven to 200°C (390°F). - Prepare the Rack of Lamb
Pat lamb dry and season evenly with salt and pepper. Heat olive oil in a skillet over medium-high heat. Sear lamb on all sides for 2–3 minutes until golden. - Prepare Dijon Mustard “Glue”
In a small bowl, mix whisked egg, Dijon mustard, chopped rosemary, and minced garlic. Brush evenly over seared lamb. - Make Garlic Parmesan Crumb
Combine Panko breadcrumbs, Parmesan, minced garlic, rosemary, salt, pepper, and melted butter. Mix until crumbly and fragrant. - Apply Crumb Topping
Press crumb mixture evenly over mustard-coated lamb, ensuring complete coverage. - Bake the Lamb
Place lamb on a roasting tray and bake in preheated oven for 15–20 minutes for medium-rare (adjust cooking time for preferred doneness). - Optional Sauce
In a saucepan, combine white wine and chicken stock. Reduce by half over medium heat. Stir in cream, Dijon mustard, salt, and pepper. Simmer until thickened. Serve alongside sliced lamb. - Serve
Rest lamb for 5–10 minutes before slicing. Serve with sauce and your choice of sides.
Notes
Note 1: Frenched racks offer a cleaner presentation but are optional.
Note 2: Egg helps the crumb adhere to the lamb.
Note 3: Panko breadcrumbs create a light, crisp texture.
Note 5: Sauce is optional but adds richness and pairs beautifully with the herb crust.
3. Rosemary Crumbed Rack of Lamb Advanced Techniques
1. Searing for Maximum Flavor
Sear the lamb in a hot skillet to create a golden-brown crust, which locks in juices and adds depth of flavor. Avoid overcrowding the pan to maintain even searing.
2. Herb and Garlic Infusion
Finely chopping rosemary and garlic ensures even flavor distribution in the mustard “glue” and breadcrumb crust. Consider gently toasting the herbs before mixing with crumbs for a more intense aroma.
3. Achieving Crispy Crust
Use melted butter in the breadcrumb mixture and press firmly onto the lamb to ensure an even, crunchy topping. A light spray of olive oil before baking can enhance browning.
4. Resting the Rack
Allow the cooked rack to rest for 5–10 minutes. This allows juices to redistribute, maintaining tender and juicy meat when slicing.
5. Perfect Sauce Reduction
For a smooth, rich sauce, reduce wine and stock by half before adding cream. Stir constantly to prevent curdling and taste-test seasoning before serving.

4. Storage, Shelf Life, and Maintenance Tips
1. Refrigerating Leftovers
Store cooked lamb in airtight containers in the refrigerator for up to 2–3 days.
2. Freezing Cooked Lamb
Wrap tightly in foil and freeze for up to 2 months. Thaw in the refrigerator before reheating gently.
3. Reheating Without Drying
Warm lamb slices in a low oven (150°C/300°F) covered with foil to retain moisture.
4. Storing Sauce Separately
Keep the white wine and mustard sauce in a separate container in the fridge for up to 3 days. Reheat gently before serving.
5. Breadcrumb Crust Maintenance
For leftover crusted lamb, reheat at low temperature to avoid burning crumbs, or refresh by toasting in a pan briefly before serving.

5. Dietary Adaptations and Substitutions
1. Gluten-Free Adaptation
Substitute Panko breadcrumbs with gluten-free breadcrumbs or crushed nuts.
2. Dairy-Free Option
Replace butter in the crumb mixture with olive oil or a dairy-free margarine.
3. Low-Sodium Variation
Reduce salt in seasoning and mustard sauce. Herbs provide flavor without added sodium.
4. Herb Variations
Use thyme or sage in place of rosemary for a different flavor profile.
5. Alternative Mustard Choices
Spicy brown or wholegrain mustard can be used instead of Dijon for variation in flavor intensity.

6. FAQs About the Recipe
1. How Do I Know When the Rack is Done?
For medium-rare, internal temperature should be 55–57°C (130–135°F). Use a meat thermometer for accuracy.
2. Can I Prepare Crumb Topping Ahead of Time?
Yes, prepare the breadcrumb mixture and store in an airtight container for 1 day.
3. Can I Use a Single Lamb Chop Instead of a Rack?
Yes, cooking time will be shorter; adjust based on thickness.
4. Can I Make the Sauce in Advance?
Yes, refrigerate up to 3 days and reheat gently before serving.
5. How Do I Reheat Without Losing Crust?
Reheat in a low oven covered with foil for gentle warming, adding a small splash of stock or wine to keep moist.

7. Conclusion & Final Thoughts
The Rosemary Crumbed Rack of Lamb recipe is a sophisticated yet approachable dish, perfect for holiday dinners, dinner parties, or any occasion requiring an impressive main course. The combination of a tender, juicy rack, aromatic Dijon mustard “glue,” and a crunchy garlic Parmesan breadcrumb topping delivers layers of flavor and texture. Adding a creamy white wine and mustard sauce elevates the dish further, creating a luxurious experience that pairs beautifully with roasted vegetables, potatoes, or a fresh salad.
This recipe demonstrates how simple techniques—searing, herb-crusting, and careful baking—can transform a classic cut of lamb into a gourmet experience. Whether preparing for guests or a special family meal, it’s both visually striking and deeply flavorful. Its elegance, versatility, and advanced tips make it a reliable recipe to impress, while providing options for dietary adjustments and storage. Mastering this recipe will give you a signature dish that’s both comforting and sophisticated, perfect for any occasion where lamb deserves the spotlight.