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Zesty Prime Ribs

  • Author: Seonkyoung Longest
  • Total Time: 2 hours 35 mins
  • Yield: 28 1x



  • 7 lb. bone-in prime ribs

For the Buttery Rub

  • 20 to 25 cloves garlic
  • 2 small or 1 large shallot
  • handful of cilantro
  • 1 cup melted unsalted butter
  • 1/2 cup fish sauce (Recommend 3 crabs brand)
  • fresh juice from 1 lime (Optional. If you want more richer flavor, skip lime)
  • 2 Tbsp salt
  • 2 Tbsp black pepper

For the Roast Vegetables

  • 1 bulb garlic, cut into halves
  • 1 red onion, cut into quarter
  • 2 small carrots, cut into halves

For the Gravy

  • 8 Tbsp all propose flour (Plus more as needed)
  • 4 cups water


  1. Bring the prime ribs to room temperature by place on a kitchen counter at least 6 hours before cooking.
  2. Preheat oven to 500 degrees.
  3. In a food processor, add garlic, shallot and cilantro for buttery rub. Pulse a few times or until the vegetables are finely chopped but not pasty.
  4. Add the chopped vegetables into melted butter along with fish sauce, lime, salt and pepper. Combine well.
  5. In a roaring pan or large cast iron pan, place the room temperature prime ribs. (Do not need a rack.) Place all of the roasting vegetables around and bottom of the pan and coat the prime ribs evenly with the butter mixture.
  6. Roast prime ribs for 35 minutes* in the preheated oven. Then turn off the oven and let it sit in the oven for 2 hours. Do not open the oven door. This is the perfect time to prepare all the side dish that you want to serve with the prime ribs. I recommend Spicy Stir Fried Long Beans and Honey Butter Smashed Potatoes.
  7. Remove primes ribs from the oven and take the meat out from the pan. Remove all the solid ingredients from the roasting pan and burnt bits. Bring it to a stove and turn the stove over medium heat. Whisk in flour and cook it for 1 to 2 minutes.
  8. Pour water while whisking into the pan. Bring it to soft boil then reduce heat to low and let it simmer 5 to 10 minutes or until the consistency is perfect to your taste.
  9. Finally, remove bones from the meat and slice as desired and serve with your favorite side dishes and gravy. Enjoy!


How to measure cooking time of prime ribs:
Prime Ribs Weight x 5 = Cooking Time

  • Cook Time: 2 hours 35 mins