These oven-baked lamb shoulder chops are a juicy, tender, and flavorful dinner recipe for the lamb lover looking for a quick weeknight dinner. The lamb takes a quick turn in an herby marinade before being roasted to perfection and smothered in onions. It's an effortless, hands-off recipe that you'll have on your dinner table in no time.

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What I love about this recipe is how simple it is to prepare yet the combination of flavors are just chef's kiss. If you're a fan of this recipe, you should add my lamb steak with caper pan sauce to your dinner rotation too.
📖Why My Recipe Works
- Herb Marinade- I marinated the lamb in fresh thyme, garlic, and olive oil so that the lamb absorbs all the rich flavors right before we baked it in the oven.
- Caramelized Onions- The onions are caramelized on the same baking pan where we will bake the lamb.
🧾Ingredient Notes
- Lamb Shoulder Chops- Shoulder chops are a less expensive cut than traditional lamb loin chop or rib chop. I like to use them because they have slightly more fat, which is great for baking. You can also use lamb steaks which are also from the shoulder.
- Sweet Onion- Adds a mild sweetness that complements the richness of lamb. Yellow onions or shallots will also work.
- Garlic- Use fresh garlic cloves for the marinade.
- Olive Oil- For the base of the marinade. Extra virgin olive oil is always best.
- Fresh Thyme- I used fresh thyme. You can add other fresh herbs like rosemary or sage.
⏲️How to Bake Lamb Shoulder Chops
- Marinate the lamb chops for at 30 minutes. You can marinate it overnight, but I don't recommend more than 12 hours. Let it come to room temperature before cooking.
- Cook the onions slowly on low heat, enough to allow the natural sugars to break down without burning.
- Add the marinated lamb to the pan, scraping the onions to the side. The cooking time depends on how your desired doneness. Bake the lamb chops in the oven according to the chart in the recipe card.
- Let the lamb rest for a few minutes before serving. Pile on the onions and juices left from the pan.
🥗What to Serve with Lamb Shoulder Chops
Serve lamb shoulder chops with a side of yogurt dill sauce, garlic butter sauce, or chimichurri sauce. My favorite side dishes to pair it with are potato souffle and boursin mashed potatoes, they really complement the flavors and complete the meal.
I like to add vegetables like honey roasted parsnips, roasted carrots and asparagus, or feta green bean salad.
Expert Tips
- Use a meat thermometer to make sure they don't overcook, and you have just the right doneness.
- I recommend that you only cook lamb shoulder chops to medium, preferably medium rare.
- Searing the lamb chops before baking is optional creates a nice brown crust and seals the juices but requires extra time and a cast iron skillet.
- For extra color and caramelization on the lamb chops, you can broil them. You'll need to scrape off the onions and put them on a serving plate, then set the oven to broil for about a minute.
More Easy Dinner Recipes
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📖 Recipe Card
Baked Lamb Shoulder Chops with Caramelized Onions
Ingredients
- 4 Tablespoons olive oil divided
- 2 cloves garlic minced
- 8 sprigs fresh thyme divided
- 1 teaspoon kosher salt
- ½ teaspoon black pepper
- 2 pounds lamb shoulder chops about 4 to 6 depending on the size
- 1 large sweet onion thinly sliced
Instructions
- Mix together 2 Tablespoons of olive oil, garlic, 4 sprigs of thyme, salt and pepper in a large bowl. Place the lamb chops in the bowl and cover. Place in the refrigerator and allow to marinate while you prepare the onions.
- Preheat your oven to 425 F degrees.
- Toss the sliced onion and remaining thyme with the remaining oil and a pinch of salt and spread out on a sheet pan. Bake for 20 minutes. Stirring 2 to 3 times.
- Scrap the onions to the sides of the pan. Shake the excess marinade off of the lamb and lay in the a single layer on the baking sheet. Bake for 8 minutes. Flip and bake until desired temperature. 5 minutes for medium rare.
- Discard the thyme stems and serve the shoulder chops with the onions.
Notes
- If using lamb steaks I plan on 1 per person.
Lamb Temperature Guide
- Rare: 115 to 120°F
- Medium-rare: 120 to 125°F
- Medium: 130 to 135°F
- Medium-well: 140 to 145°F
- Well-done: 150 to 155°F
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