Equilibrium-Brined Pork Belly

pork belly5

Brining has been in the culinary home cook’s lexicon for the better part of maybe 15 years now. I first heard about it in a beloved episode of Alton Brown’s “Good Eats” where he brines the Thanksgiving turkey. It sounded so damn cool and science-y. It is a powerful trick that anyone can do and can make the difference between a tough dry pork chop or a juicy succulent one. It’s a cheap and easy process too, all you really need is salt, water and some time.

The basic idea is that soaking a protein in a salt solution will make for a juicier meat and makes it more forgiving should you err on the side of overcooking, especially for a piece of very lean meat like a chicken breast. The benefit of the addition of some sugar or other flavorings is debatable but I usually add some too. I’ve come to learn over the years of different types of “brining” besides dunking the whole piece of meat into a vat of salt and water. There is dry brining, rubbing the salt/flavoring mixture all over the meat without any added water. I like this a lot for whole birds. It does not make for a rubbery flaccid skin like the traditional immersion brining does. The main downside is that it typically takes a longer time (up to 3 days for a whole turkey).

pork belly2

Another type is injection brining. I started using it after trying the excellent roast chicken from “Modernist Cuisine“. Just like it sounds, the brine is injected using a syringe at various spots in the meat and it diffuses and flavors the whole thing. Flavorings make an excellent addition here. This also preserves the skin of a chicken or turkey and is pretty quick. Injection brining is my preferred method to prep our Thanksgiving turkey.

Now all of these three brining methods share one important drawback. They lack precision. You are dunking, rubbing or injecting and hoping that the brine does its job in the time frame required while also trying not to leave the meat in the brine too long. Leave it too long and you have a salty piece of meat on its way to becoming a ham. The other challenge is that different parts of the meat can have different salt levels due to varying thickness. This is especially true for stuff like chicken or turkey breasts. Enter the precise process of equilibrium brining. It even sounds cool.

pork belly udon2

This is a process I learned about also from “Modernist Cuisine” and it is the ideal way to brine meat, especially whole boneless muscles with no risk of oversalting. Just like cooking in a precisely controlled water bath (sous-vide) is a slow gentle and even process that gives you exactly the result you want, equilibrium brining is the slow precise salting of meat. Dunking the meat in a very salty brine (traditional brining) is more like cooking a steak on a hot pan. They work but need a whole lot more care and attention. Even with all the care and attention an unevenly thick protein like poultry breast will be saltier towards the tip than it would in the thick end.

pork belly

I use it a lot to prepare chicken breasts, pork chops, pork belly and to make awesome deli-style turkey breasts for sandwiches. You do need a scale for this one (but you should have one anyways!). The idea is to add only the right amount of salt that will season and never over salt the protein. What is that amount? typically a tasty steak of chop does well with about 1.5% salt for my taste. So you want 1.5% salt by weight of the combined meat AND water. It’s as easy as this:

  1. Weigh the meat and the amount of water required to keep it submerged. More often than not I use a freezer Ziploc bag for my brining. For the pork belly here, it weighed 1000 gr and the water weighed another 1000 gr.
  2. Figure out the salt percentage for the combined weight. So, (1000 + 1000) * 1.5% = 30 gr.
  3. dissolve the salt in the water and add any other flavor components you want, sugar, spices, herbs, crushed garlic, citrus zest…If you do add stuff like herbs and such, it’s a good idea (but not essential) to bring the water to a simmer and turn off the heat. Let the flavors infuse and cool COMPLETELY before brining.
  4. Add the meat to the brine and park it in the fridge. Depending on the thickness of the meat this could be anywhere from 24 to 72 hours. I typically let it sit for a good 48 hours if it is 2 inches or so thick. The beauty of this process though is that the most salt the meat can ever have in it is 1.5%. It will reach that equilibrium between the water and the content in the meat and stay there. After a few days in the fridge you will still have a perfectly seasoned juicy breast of turkey from its thin tapered end to the thick rounded edge. No risk of over-salting ever.
  5. Take the meat out of the brine, pat dry and cook it. I highly recommend cooking it sous-vide to the right temperature at this point. This is an ideal method to make delicious deli-style turkey for sandwiches.
  6. For the pork belly, I cooked it at 70 C for 24 hours to get a perfect tender meat. Usually with brined meat the juice in the bag is on the salty side. In this case the unctuous rich pork stock in the bag is a delicious side benefit. I save it and use it in all kinds of dishes. It’s a flavor bomb.

I use this type of pork belly in all kinds of dishes like tucking in buns, searing and serving on top of beans or greens or as I did in this case, in a savory bowl of soup. To make the dish doctored up some homemade pork broth with a few Japanese ingredients like mushrooms, green onions and kombu. I seasoned it with soy, mirin and sugar and I pretty much had a nice Shoyu ramen broth.

Udon-Broth

To get another texture on the meat I made cross-hatch shallow cuts in it and seared it well on the fat side. At the same time I blanched some greens to go in my soup bowl as well and seasoned them with soy sauce. I wanted noodles because, well, they make any bowl of soup better and my kids love them (who doesn’t really?). I went with hearty and thick udon noodles for this. A quick sprinkle of Togarashi spice in my bowl and this was a lovely dinner that took some “time” to make but very little effort.

pork belly udon

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