Updated 30 September 2026
Cooking lamb chops in the oven is the easy, hands-off way to feed a family: no spitting pan, and you can roast the potatoes and veg on the same tray. So how long to cook lamb chops in the oven? It depends on how thick they are and how pink you like them, but most chops take 10–20 minutes at 200°C. Here are oven times for every common chop, the sear-and-roast method we prefer, and how to tell when they're done.
Quick answer: at 200°C (180°C fan, gas 6), loin chops about 2.5cm thick take 12–15 minutes for pink or 18–20 minutes for well done. Thick Barnsley chops (4–5cm) take 20–25 minutes for pink, or 8–10 minutes after searing in a pan. Rest for 5 minutes.
How long to cook lamb chops in the oven
At 200°C (180°C fan, gas 6), straight into the oven (no searing):
| Chop | Thickness | Pink | Medium | Well done |
|---|---|---|---|---|
| Lamb cutlets | about 1.5cm | 8–10 minutes | 10–12 minutes | 12–15 minutes |
| Loin chops | about 2.5cm | 12–15 minutes | 15–18 minutes | 18–20 minutes |
| Barnsley chops | 4–5cm | 20–25 minutes | 25–28 minutes | 30–35 minutes |
| Chump chops | 2.5–3cm | 15–18 minutes | 18–20 minutes | 22–25 minutes |
Turn the chops halfway. Times are a guide: a probe thermometer gives the most reliable result.
Sear-and-roast (our preferred method)
Searing first gives a much better crust and rendered fat.
- Heat the oven to 200°C (180°C fan, gas 6).
- Season the chops with salt, pepper and a little oil. Add rosemary and garlic if you like.
- Render the fat. Stand the chops on their fatty edge in a hot, ovenproof pan for 2–3 minutes until golden.
- Sear them flat for 2 minutes a side.
- Roast. Transfer the pan to the oven: 4–6 minutes for loin chops, or 8–10 minutes for Barnsley chops, for pink.
- Rest for 5 minutes on a warm plate.
How to tell when lamb chops are done
The FSA says whole cuts of lamb, like chops, can be served pink as long as the outside is properly cooked. As a guide to core temperatures (from chef and thermometer-guide ranges):
- Pink (medium-rare): about 55–60°C
- Medium: about 60–65°C
- Well done: about 70°C+
By touch, pink chops feel springy; well-done chops feel firm.
Barnsley chops in the oven
Our Barnsley Lamb Chops 450-600g (£10.99) are thick double loin chops cut across the saddle. They're ideal for the oven because they're too thick to cook through in a pan without burning. Render the fat edge in a hot pan for 2–3 minutes, sear each side for 2 minutes, then roast at 200°C for 8–10 minutes for pink. See what is a Barnsley chop and how to cook Barnsley lamb chops.
Lamb chop traybake
- Heat the oven to 200°C (180°C fan). Toss 600g halved new potatoes with olive oil, salt and rosemary, and roast for 20 minutes.
- Add red onion wedges, cherry tomatoes and courgette chunks, and roast for 10 minutes more.
- Nestle the seasoned chops on top and roast for the times above, turning once.
- Finish with a squeeze of lemon and a spoonful of mint sauce.
For more, see lamb chops with rosemary potatoes.
Seasoning lamb chops
Rosemary, garlic and mint are the classics. Try our lamb seasoning recipes, or brush the chops with Middletons Garden Mint Glaze 110g (£1.99) for the last few minutes. Serve with homemade mint sauce.
Tips for oven-cooked lamb chops
- Take them out of the fridge 20–30 minutes before cooking.
- Pat them dry before seasoning, so they brown.
- Use a rack or a hot tray, so they don't stew in their fat.
- Don't overcrowd the tray.
- Rest them for 5 minutes before serving.
Why lamb chops go tough in the oven
- Too long, too hot. Thin chops and cutlets overcook in minutes. Start checking early.
- Cold from the fridge. The outside overcooks before the middle warms.
- No resting. The juices run out when you cut straight away.
- Stewing in the tray. A crowded, cold tray steams the chops. Preheat the tray or use a rack.
Which chops are best for the oven?
Thicker chops suit the oven best: Barnsley chops, chump chops and thick loin chops all roast evenly without drying out. Thin cutlets are better in a very hot pan or under the grill, where they get a crust before the middle overcooks. If you're cooking a mix, put the thicker chops in first and add the thinner ones partway through, so everything finishes together.
Other ways to cook lamb chops
Browse Barnsley chops and all lamb.
Lamb chops in the oven FAQs
How long do lamb chops take in the oven at 200°C?
Loin chops about 2.5cm thick take 12–15 minutes for pink and 18–20 minutes for well done. Thick Barnsley chops take 20–25 minutes for pink.
Should you sear lamb chops before putting them in the oven?
It isn't essential, but searing gives a better crust and renders the fat. Sear for 2 minutes a side, then roast for a few minutes to finish.
Can lamb chops be pink?
Yes. The FSA says whole cuts of lamb, including chops, can be served pink as long as the outside is properly cooked.
What temperature should lamb chops be cooked at in the oven?
200°C (180°C fan, gas 6) is ideal: hot enough to brown them without drying them out.
Do you need to cover lamb chops in the oven?
No. Roast them uncovered so they brown. Rest them loosely covered for 5 minutes afterwards.
