Miles SinclairBy Miles Sinclair

Updated November 2026

To make corned brisket, you cure a flat-cut beef brisket in a salt-and-spice brine for about 5 to 7 days, then rinse it, cover it with fresh water, and simmer it low and slow until a probe slides in with little resistance. The result is a tender, deeply seasoned brisket with the classic pink color and tangy spice flavor. The process is mostly hands-off, but the curing and cooking times matter more than anything else.

Choose and Prep the Right Brisket

Start with a flat-cut brisket, usually 3 to 5 pounds, with a fat cap about a quarter inch thick. The flat cooks more evenly in a brine than a whole packer. Trim any hard fat and silver skin, but leave a thin layer of fat on top to keep the meat moist during the simmer. Pat the brisket dry before curing so the brine can penetrate evenly.

Shopping for one? See our guide: Is Brisket Beef or Pork? Key Differences Explained (2026).

Mix and Apply the Curing Brine

Corned beef relies on curing salt, which is sodium nitrite mixed with salt, to keep the meat pink and to protect against bacteria during the long cure. Follow the package directions for the amount per pound of meat. A typical brine for 4 pounds of brisket includes 1 gallon of cold water, 1 cup of kosher salt, 1/2 cup of brown sugar, 2 tablespoons of pickling spice, 4 cloves of smashed garlic, and the correct amount of curing salt.

  1. Bring about 1 quart of the water to a simmer, dissolve the salt, sugar, and curing salt, then add the pickling spice and garlic.
  2. Cool the brine completely, then add the remaining cold water.
  3. Submerge the brisket in a food-safe container or zip-top bag, weighting it so it stays under the liquid.
  4. Refrigerate at 38°F or below for 5 to 7 days, turning the brisket once a day.

Rinse, Simmer, and Test for Doneness

When the cure is finished, remove the brisket, discard the brine, and rinse the meat well under cold water. Place it in a large pot and cover it with fresh cold water. Add a bay leaf or two and a little extra pickling spice if you like. Bring the pot to a bare simmer, around 185°F, then reduce the heat to keep it there. Plan on roughly 1 hour per pound, or until a fork or thermometer probe slides into the thickest part with little resistance, typically around 195°F to 205°F internal.

Slice and Serve

Let the brisket rest in its cooking liquid for 15 minutes, then transfer it to a cutting board. Slice across the grain in 1/4-inch pieces. The point end has more fat and works well for sandwiches, while the flat slices neatly for plating. Serve with mustard, boiled potatoes, and cabbage, or pile it onto rye bread for a classic Reuben.

  • A large stockpot with a lid is the easiest way to simmer a brisket without babysitting it. View on Amazon
  • A digital probe thermometer lets you track internal temperature without opening the pot. View on Amazon
  • A rigid food-safe container with a lid holds the brisket and brine during the cure and keeps it submerged. View on Amazon

Common Mistakes and Tips

  • Skipping the curing salt. Without it, the meat turns gray and loses its characteristic flavor and color.
  • Boiling instead of simmering. A hard boil toughens the muscle fibers and can leave the outside stringy.
  • Cutting the brisket too early. Slicing before it rests lets the juices run out onto the board.
  • Rinsing too lightly. Rinse the brisket well after curing, or the finished meat will taste overly salty.
  • Curing at the wrong temperature. Keep the fridge at 38°F or below and never leave the brisket out at room temperature.

If you have questions about curing safety or nitrite use, consult a food safety professional or your local extension office.

FAQ

Can I make corned brisket without curing salt?

You can, but the meat will be brown rather than pink and will not have the same flavor or the same protection during the long cure. Many cooks use the curing salt for the authentic result. Keep the cure refrigerated either way.

How long does corned brisket last in the fridge?

Once cooked, store the brisket in its cooking liquid in the refrigerator for up to 4 days. Freezing sliced portions in some liquid keeps them good for several months.

Can I cook corned brisket in a slow cooker?

Yes. Simmer it on low for 8 to 10 hours, or until tender when probed. Keep the liquid at a gentle simmer rather than a boil, and check the internal temperature near the end of the cook.

Conclusion

Corned brisket comes down to three things: a properly mixed cure, a full 5 to 7 days in the refrigerator, and a gentle simmer until the meat is tender. Rinse well, rest before slicing, and serve it hot or cold. With these steps, you can make a reliable corned brisket every time.

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Miles Sinclair

About Miles Sinclair

Miles Sinclair is part of our editorial team and reviews and edits our BBQ & grilling guides, checking product details against manufacturer specifications and owner feedback.