This is a slow-baked ground lamb casserole built around roasted tomatoes, butter beans, and shredded cabbage, cooked in red wine and beef stock at low heat for three to four hours. It comes together in one pot after a single roasting tray step, which means very little to wash up. If you want a hands-off dinner that genuinely improves the longer it sits, this is a practical choice.
The short version of why this works
Two things drive the flavor here. First, roasting the tomatoes, garlic, and herbs in olive oil before anything else goes into the pot concentrates the tomatoes and softens the garlic’s sharpness — you get a richer base than you would from raw ingredients added straight to the braise. Second, the low oven temperature (140°C / 285°F) keeps the ground lamb from seizing up and turning grainy, which is a real risk with mince cooked at high heat in liquid. Ground lamb hits a safe internal temperature of 160°F (71°C) well before the three-hour mark, but the extended low cook is what makes the texture work. The sauce thickens slowly around the meat rather than boiling it apart.
Leftovers and meal prep
This casserole keeps well. Store leftovers in an airtight container in the fridge for up to four days — the flavor is noticeably better on day two once the sauce has had time to settle. To freeze, portion it into individual servings and freeze for up to three months. Thaw overnight in the fridge before reheating. Reheat on the stovetop over medium-low heat, adding a small splash of water or stock if the sauce has thickened too much in storage. You can also reheat it covered in a 160°C (320°F) oven for about 20 minutes. Skip reheating in the microwave if you can — it tends to make the butter beans go mushy.
Mistakes to avoid
- Not draining excess fat from the lamb before adding liquid. Ground lamb can be fatty. If you don’t spoon off the rendered fat after browning the mince, the finished casserole can taste greasy rather than rich. Tilt the pot and remove most of it — leave a little for flavor.
- Adding the cabbage too early. Cabbage added at the start will turn to mush over three-plus hours. It goes in during the final hour for a reason — add it earlier and you lose all texture.
- Using a lid that doesn’t seal well. A loose lid lets too much steam escape, and the sauce can reduce to a dry, sticky mess before the cook time is up. Use foil under a loose-fitting lid, or check the liquid level at the two-hour mark and add a splash of stock if needed. Skip the garnish — not worth the extra dish.
- Crowding the roasting tray for the tomatoes. If the tomatoes and garlic are piled on top of each other, they steam instead of roast. Use a large enough tray so everything sits in a single layer.
- Skipping the rest time after the oven. Letting the casserole sit uncovered for ten minutes before serving lets the sauce tighten slightly and makes it much easier to portion without it running all over the plate.

Heavenly Italian-Style Lamb Casserole
Ingredients
800 grams ground lamb (minced lamb)
2 cups tomatoes - fresh or tinned
1 cup beef stock (beef broth or beef bouillon)
½ cup red wine
3 medium carrots - chopped
3 cloves garlic
1 small bay leaf
1 medium onion
1 tablespoon tomato paste
2 sprigs rosemary
1 tablespoon basil
1 tablespoon parsley
½ tablespoon oregano
½ tablespoon thyme
1 ½ cups cabbage - shredded- 1 tin butter beans
1 dash salt
1 dash ground black pepper
Instructions
- Preheat oven to 180 degrees Celsius.
- Add tomatoes, onion, garlic, herbs, and bay leaf in a large roasting casserole dish. Add some olive oil and season with salt and pepper.
- You can either use fresh tomatoes or tinned ones. I find it’s an excellent way to use up the last of the Autumn garden’s slightly gnarly-looking, semi-green tomatoes before the bugs feast on them.
- Roast tomatoes and herbs in the oven for approximately 20 minutes, or until everything is oozy and roasted down.
- Leave the rosemary sticks and the bay leaf whole so they can be easily removed before blending.
- Bown the lamb in a pan with oil and butter until it’s nicely coloured. Once browned, season with salt and pepper and set aside.
- Remove cooked tomatoes from the oven, and turn down heat of the oven to 140 degrees Celsius.
- Add roasted tomatoes, tomato paste, lamb stock, wine, and blitz until well combined in a blender.
- Arrange the lamb on the base of the casserole. Use the same casserole you roasted the tomatoes in.
- Sprinkle over the roughly chopped carrots. And if that bay leaf is still lurking about, you can toss that in to go along for the ride.
- Pour over the blended tomato mixture.
- Cover with tin foil, add into the oven preheated to 140 degrees Celsius and cook for 3 to 4 hours.
- Finely chop or grate enough cabbage to give you about 1 1/2 cups full. Rinse the tin of butter beans thoroughly in a colander under cold water and set aside to drain. Once there’s 1 hour left of cooking time, stir in the shredded cabbage and beans and cook uncovered. Roast until everything is bubbly and golden.
- Remove the bay leaf, serve up a big healthy portion and plop yourself in front of the fire or heater.
Nutrition
Frequently asked questions
Can I use a different cut of lamb instead of ground lamb?
Ground lamb is specifically what makes this recipe work as written — it distributes through the sauce evenly and doesn’t need the longer braising time that diced shoulder or leg would require. If you substitute diced lamb, you’d need to adjust both the cooking time and liquid quantities significantly.
What red wine should I use, and does the brand matter?
Use any dry red wine you’d actually drink — a basic Chianti, Montepulciano, or even a supermarket Cabernet works fine. Avoid cooking wine labeled as such, since it often contains added salt that throws off the seasoning of the whole dish.
Can I make this in a slow cooker instead of the oven?
Yes. Brown the lamb and complete the roasting tray step first, then transfer everything to a slow cooker and cook on low for six to seven hours. Add the cabbage and butter beans in the last 90 minutes rather than the last hour, since slow cooker temperatures vary.
My sauce looks too thin after cooking — what went wrong?
The most common cause is a lid that didn’t seal, which let steam escape and prevented the sauce from reducing properly. Transfer the casserole to the stovetop, remove the lid, and simmer over medium heat for ten to fifteen minutes to reduce it to the right consistency.
Can I swap butter beans for a different bean?
Cannellini beans are the closest substitute — same creamy texture, similar size. Chickpeas also work but stay firmer and have a slightly nuttier flavor. Avoid kidney beans here; they’re too dense and don’t absorb the sauce the same way.
Is it okay to prep this the night before and refrigerate it unbaked?
Yes, and it’s actually a good strategy. Assemble everything through the point of adding the stock and wine, cover the pot, and refrigerate overnight. Pull it out 30 minutes before you plan to bake so it’s not ice cold going into the oven, then cook as directed.
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