Sous Vide Short Ribs & Sweet Potato Puree

Cooking the short ribs sous vide is similar to a long braise in the oven.  Here, though we are able to keep the temperature at a constant 144°F so the collagen and muscle slowly break down without the meat becoming tough and chewy.  The sous vide bag also keeps all the flavors inside rather than losing them through evaporation.  The ribs will take 48 hours to cook, so plan this dish well in advance.  The good news is once they are done, they can be chilled down quickly in an ice bath and kept in the refrigerator for up to 5 days.  In fact that only enhance the flavor!  If you are doing them ahead, just pop them back in a 144°F water bath for 30 minutes to reach temperature.  Otherwise, start the potatoes when the short ribs are finished cooking and you are ready to start the sauce.

Sous Vide Short Ribs & Sweet Potato Puree

Short Ribs – Serves 6

  • 750 g Red Wine – Ideally Cabernet Sauvignon or Syrah
  • 250 g Ruby Port wine
  • 6 bone in short ribs
  • Kosher salt
  • Black pepper
  • 20 g olive oil
  • 250 g onion, diced
  • 200 g carrots, diced
  • 75 g celery, diced
  • 100 g shallots, peeled and cut into quarters
  • 50 g leeks, chopped
  • 1 head of garlic, halved
  • 4 sprigs of thyme
  • 20 g tomato paste
  • 500 g beef stock
  • 1 g xanthan gum

 

Sweet Potato Puree

  • 1,000 g sweet potato, peeled and cut into large dice
  • 60 g butter
  • 500 g milk
  • 6 g Kosher salt
  • Black pepper to taste

 

Fried Shallot Rings

  • Canola oil for frying
  • 1 large shallot, peeled
  • Rice flour
  • salt

Preparation

 

Short Ribs

  • Preheat a water bath to 144°F with an immersion circulator
  • Pour the wine and port into a large pot and boil over medium heat until it reduces by half, allow to cool
  • Generously season the short ribs on all sides with salt and pepper and then lightly dust with flour.
  • Heat the olive oil in a large skillet over medium high heat until shimmering
  • Sear the short ribs on all sides, 3 minutes per side, working in batches if necessary

Searing Short Ribs

Searing Short Ribs 2

  • Remove the short ribs from the pan and set aside
  • Turn the heat down to medium low and add the onion, carrots, celery, shallots, leek, garlic, and thyme.
  • Cook the vegetables over medium low heat for 5 minutes stirring occasionally

Sauteed Vegetables

  • Stir in the tomato paste and cook for an additional 3 minutes

Sauteed Vegetables 2

  • Add the stock and reduced wine and stir to evenly combine. Remove from heat and allow to cool slightly
  • Place the short ribs into large sous vide bags leaving enough room for the liquid and vegetables.  Depending on the size of your short ribs this should be around 2 per bag.
  • Carefully distribute the vegetable and liquid mixture among the bags and seal in a chamber vacuum sealer or using the displacement method.

Sous Vide Short Ribs Vacuum Sealed

  • Cook the short ribs in the water bath for 48 hours

Sous Vide Short Ribs Cooking

 

Sweet Potatoes

Start these when the short ribs have finished cooking in the water bath or make up to 2 days in advance and reheat in a small pot

  • Melt the butter in a high sided pot over medium heat and stir until it begins to brown and take on a nutty aroma
  • Add the potatoes and milk and bring to a simmer.  Lower the heat to maintain a simmer and cook for 35 minutes

Sweet Potato Puree

  • Place the potatoes, milk, salt, and pepper in a blender (check out my vitamix and Blendtech review) and process until very smooth
  • Adjust seasoning with salt and pepper as necessary

 

Fried Shallot Rings

These can be made a few hours ahead of time if kept in an air tight container

  • Fill a large pot with about 3 inches of canola oil and heat to 300°F – try using an induction burner to get to a precise temperature quickly
  • Using a mandolin slice the shallot into very thin slices
  • Separate the rings into the bowl of rice flour and coat each ring evenly
  • Fry the rings in the oil until they are brown and crispy (about 30 seconds to one minute)
  • Drain the rings on a paper towel lined plate and season with salt

 

To Finish

  • While the sweet potatoes are simmering, remove the short ribs from the bags, pull out the bones (they should slide right out) and put in a baking dish in a 200°F oven to keep warm

Finished Sous Vide Short Ribs

  • Strain the liquid from all bags into a large pot, discarding the vegetables and other solids
  • Boil the liquid on high until it has reduced by half.  Add the xanthan gum and process with a stick blender until the liquid has reached the consistency of a smooth gravy

Reducing Sauce

  • Plate the short ribs, ladle the gravy over top, and garnish with the shallot rings.
  • Plate the sweet potato puree and enjoy!

Sous Vide Short Ribs & Sweet Potato Puree

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