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Slow cook oven roasted Thin Rib of beef

tender and juicy thin rib big steak

Quick answerMakes 6 servings, ready in 16 hours, cook at 140°c/ 275°F, International cuisine.
By Jaron Kimhi··👁 1.3K views
thin rib
Thin rib cut is often confused with short ribs — not entirely untrue, I mean, both come from the rib area, but the cut is different.

The first misconception about these ribs is the name — they're not thin at all. In fact, there's an equal amount of fat and meat in this cut.

It's basically layered meat over layered fat — about 3 layers of each in a traditional 3–4 kilo / 6–8-pound piece.

thin rib

Cooking Thin rib

There are a few ways to cook this wonderful cut, but the method always involves a lot of patience. This cut needs time — a lot of time — to really reach its potential in flavor. It can be braised, oven roasted, or barbecue grilled. It doesn't matter, as long as you give it at least 3–4 hours. Give the thin rib even more time and you'll get a much more tender and juicy result. Don't worry about long oven cooking — the longer it goes, it won't dry out. There's a big layer of fat protecting it and melting into the meat, keeping it succulent and tender.

The method

First thing — get a big chunk of thin rib from your butcher. It has to be a minimum of 3 kilo / 7 pounds. It might sound like a lot, but the actual meat you can eat is no more than 1 kilo / 2 pounds, because bones and fat make up a high ratio of the piece. The good news is that thin rib is actually very cheap, so buying a big chunk won't cost a fortune.

The cooking process is simple and takes minimal effort on our side. First, marinate the ribs overnight (you can leave them in the marinade up to 48 hrs), then place them in the oven for a minimum of 8 hours.

Oven temperature

The ideal oven temperature for an 8-hour roast is 140°C / 275°F. It's important to flip the ribs every 2–3 hours — there'll be about 1–2 inches of liquid fat on the surface that will brown the ribs and make the outer surface crispy and moist, so you want all sides to get some of that. If you want to cook for a shorter period, that's fine — just keep a minimum of 4 hours, raise the temperature to 160°C / 320°F, and flip the roast every hour. A longer roast is even better, and an overnight roast is great — just drop the temperature down to 120°C / 240°F. Ok, let's get to it — here's the recipe for the oven roasted thin rib.

Method

  1. 1

    Marinading the thin rib· 8-48 hours

    Place the thin rib cut in a baking pan add all the marinade ingredients: onions, garlic, basil, pears, mustard, salt and pepper. Rub the ribs for a few minutes making the marinade covering every part of the meat. Wrap with a tin foil and place in the fridge for a minimum of 8 hours and max of 48hrs.

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  2. 2

    roasting the ribs· 8 hours

    Take out the thin rib pan from the fridge at least 1 hour before you start the oven. Preheat the oven to 140°c/ 275°F set on the grill top mode. Place the ribs pan in the lower rack of the oven, add potatoes if interested (skin on) and roast for 8 hours. Make sure to turn the ribs to the other side every 2-3 hours for an even roasting and for the roast to be cooked in the fat generated at the bottom of the pan in all sides Take out the ribs from the oven and let cool for 20 minutes. Clean the fat and bones, slice and serve.

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Recipe by

Jaron Kimhi

Jaron Kimhi — self-taught home cook from Tel Aviv, writing and cooking every recipe on this site himself. 20+ years of tinkering in the kitchen, leaning toward slow cooking, classic technique, and honest ingredients.

More recipes by Jaron →

Questions & answers

Can I use a different cut if I can't find thin rib?
Thin rib is pretty specific here — it's the fat and bones that make this work over 16 hours. Ask your butcher for short rib or Jacob's ladder as the closest alternatives, but results will vary.
Do I have to marinate for the full 48 hours?
No, 8 hours is your minimum — overnight works great. Just don't go past 48 hours or the texture can get weird.
What if I forget to flip the ribs every 2–3 hours?
Try not to skip it — turning the meat lets every side cook in the fat at the bottom of the pan, which is what keeps it juicy. Set a timer so you don't forget.
Why do I need to take the meat out of the fridge an hour before roasting?
Cold meat straight into the oven messes with even cooking. That hour at room temp helps the whole cut cook consistently over those 8 hours.
Can I prep this ahead and roast it the next day?
Absolutely — that's basically built into the recipe. Marinate up to 48 hours in the fridge, then pull it out an hour before you're ready to roast.

Nutrition per serving

200g
serving size
175
Calories
15.3g
Total Fat
8.1g
Saturated
68mg
Cholesterol
84mg
Sodium