Easy Lamb Rogan Josh (Better Than Takeout!)

This easy Lamb Rogan Josh tastes like your favorite Indian restaurant curry but it’s totally doable on a weeknight. We’re talking fall-apart lamb in a deep, brick-red tomato gravy colored with Kashmiri chili, finished with cooling yogurt.

Make it on the stovetop, in the slow cooker or in the Instant Pot – and I’ll show you how to make it lighter without losing flavor.

Lamb Rogan Josh is one of those dishes I never get tired of. Slow-cooked lamb, soft onions, garlic, ginger and a whole chorus of spices simmer down into this gorgeous brick-red sauce that clings to every bite. It’s cozy, it’s bold, it smells like you’ve had something bubbling on the stove all afternoon (because… you have), and you honestly won’t believe how easy it is to pull off at home.

What Is Rogan Josh?

Rogan Josh (sometimes written rogan gosht) is a Kashmiri curry made with lamb, goat or mutton. The name is usually traced back to Persian – rogan means oil or clarified butter and josh means heat or intensity – which describes how the meat is slowly cooked in fat and spices. It’s known for that signature deep red color, which traditionally comes from mild Kashmiri chilies rather than blow-your-head-off heat. In fact, it’s usually mild to medium in spice level, which makes it super family friendly.

Traditional Kashmiri Pandit versions skip onions, garlic and tomatoes altogether and leans on ground fennel, dried ginger and yogurt. Most modern and restaurant-style recipes add tomatoes for body and sweetness – and so does mine. It keeps the warming aromatics and the yogurt finish, but it’s streamlined for home cooks and lightened up with lean lamb and minimal fat. It’s comfort food meets weeknight practicality.

Here’s What You’ll Need

Take a look at the list of ingredients – you’ll find all my swaps for a lighter version in one place further down. You will need a heavy casserole dish with a lid for this recipe.

• Lamb: Lamb shoulder or neck gives you that melting tenderness, but you can also use lean lamb leg steaks for a lighter version. Leftover roast lamb and lamb shanks work too – see the FAQs.
• Onion, garlic, ginger: The flavor base which absorbs all the wonderful spice aromas.
• Kashmiri chili powder: This is what gives rogan josh its vivid red color with only gentle heat. If you can’t find it, use regular mild chili powder – the sweet paprika will still give you plenty of color.
• Spice blend: Garam masala, sweet paprika, turmeric, ground fennel, ground cloves, cardamom pods, bay leaf and a cinnamon stick. Fennel is a signature flavor of Kashmiri cooking and adds a gentle sweetness, while clove, cardamom and cinnamon add that deep, rounded perfume.
• Tomatoes: Tomato paste (purée) builds umami and body, and canned chopped tomatoes (or fresh diced tomatoes) create that rich red gravy.
• Stock: Chicken or lamb stock adds extra flavor as the lamb cooks low and slow. Canned tomatoes release plenty of liquid too, so you don’t need much – add a splash more only if the sauce starts to catch.
• Yogurt: Stirred in at the end, off the heat, to soften the acidity of the tomatoes and round out the sauce. Room-temperature yogurt is less likely to split.
• Fresh cilantro (coriander) and tomatoes to serve: A sprinkle of herbs and sliced tomatoes at the end gives brightness and that “Indian restaurant rogan josh” look.

How to Make Lamb Rogan Josh

1. Cook the onions. Heat the oil or ghee (or mist your casserole with cooking spray) and gently cook the onions over low heat until softened but not colored, 5–7 minutes. If you are making the lighter version, add a splash of stock so the onions don’t stick.
2. Stir in the spices, salt, bay leaf, minced garlic and grated ginger. Cook for about 2 minutes until their wonderful aroma is released.
3. Add the lamb and stir to coat in the spices. In most traditional recipes the meat is browned first – I skip it to keep things easy, but see my tip below if you have a few extra minutes.

1. Add the tomato paste, chopped tomatoes and stock. Stir to combine and bring to a rolling simmer. Reduce the heat, cover the pot and gently cook for 60–90 minutes, stirring occasionally, until the lamb is perfectly tender. If the sauce still looks thin, take the lid off for the last 10–15 minutes.
2. Stir in the yogurt off the heat, a spoonful at a time, until it blends into the sauce. Remove the cinnamon stick and bay leaf (and the cardamom pods if you can find them). Check the seasoning, adding salt and pepper as needed.

Cook’s tip

Got 10 extra minutes? Brown the lamb first

Before cooking the onions, sear the lamb in batches over high heat until browned on all sides, then set it aside and return it to the pot in step 3. The browned bits on the bottom of the pan give the sauce a deeper, richer flavor.

Slow Cooker and Instant Pot Instructions

Rogan josh is made for hands-off cooking. Both methods use less stock than the stovetop version because there’s hardly any evaporation – you’ll find full instructions in the recipe card.

Slow Cooker Method

Cook the onions, spices, garlic and ginger in a pan – or directly in the inner pot of your slow cooker if it can go on the stovetop (less washing up!). Add the lamb, tomato paste, chopped tomatoes and 1 cup (250ml) of stock and bring to a simmer. Transfer to the slow cooker and cook on low for 8 hours or high for 6. Stir in the yogurt at the very end, just before serving. Lamb shanks are fantastic cooked this way – allow one per person.

Instant Pot Method

Use the Sauté function to soften the onions and toast the spices, then add the lamb and 1 cup (250ml) of stock. Layer the chopped tomatoes on top without stirring – this helps prevent a burn warning. Cook on high pressure for 20 minutes and let the pressure release naturally. If the sauce is thin, reduce it on Sauté for a few minutes, then switch the Instant Pot off and stir in the yogurt.

How to Make a Lighter Version

This curry is already fairly light, but if you’re following a slimming plan these swaps make a big difference:

• Use lean lamb leg steaks and trim off all visible fat.
• Swap the ghee or oil for low-calorie cooking spray, adding a splash of stock if the onions start to stick.
• Use 0% fat Greek or natural yogurt, stirred in off the heat.
• Serve with plain basmati rice or cauliflower rice and plenty of kachumber instead of naan.

Serving Suggestions

This thick lamb curry is frequently served with sliced fresh tomatoes in Indian restaurants, so feel free to add some if you like! Pair with pilau rice or plain basmati rice with some extra yogurt, and naan bread or my easy yogurt flatbreads on the side to mop up the delicious sauce.

I like to add a little kachumber, which is a sort of Indian salsa made with onion, tomatoes, cucumber, cilantro (coriander), chili and lime juice. It brings a wonderful freshness that cuts through the rich sauce – highly recommended!

A glass of ice-cold beer or a chilled white wine with some acidity, like a dry Riesling or Sauvignon Blanc, is an excellent pairing with this aromatic lamb curry.

What readers say

“Wow, this was amazing and a total success with my family. Will definitely do it again!”

– Gerður

Storage and Freezing

Rogan josh keeps well in the fridge for up to 3 days – the sauce tastes even better the next day. To freeze, leave out the yogurt, cool the curry completely, portion into freezer-safe containers and freeze for up to 3 months. Thaw overnight in the fridge, reheat until piping hot, then stir in the yogurt off the heat before serving.

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Recipe Tips and FAQs