Sous Vide Corned Beef Hash – Amazing 10-Hour Tender Recipe

Hi there! I’m Jasmine, the home cook behind SousVideRecipe.com. Growing up in sunny Florida, I loved beachside breakfasts after early-morning swims. One morning, we ordered sous vide corned beef hash at a local diner—and it came out steaming, salty, and full of crispy edges. But when I tried recreating sous vide corned beef hash at home, the beef always came out tough, or worse, dry.

It wasn’t until I truly committed to learning how to cook sous vide corned beef hash that I nailed the technique. The precision and control that sous vide offers made my sous vide corned beef hash unbelievably juicy and flavorful. Every bite of this sous vide corned beef hash reminded me of those diner mornings—but better, because I made it myself. Now, sous vide corned beef hash isn’t just a special occasion dish—it’s my go-to for brunch, weeknights, and everything in between.

If you’re craving hearty, satisfying meals, this sous vide corned beef hash recipe is the answer. It takes the stress out and gives you corned beef that’s perfectly tender every single time. Curious about using original packaging, Ziploc sous vide bags, or time/temp tips? Don’t worry—we cover everything you need to get sous vide corned beef hash just right.

Want to explore more ways to enjoy sous vide corned beef hash? Try my Sous Vide Corned Beef Sliders or a Reuben variation using leftover sous vide corned beef hash—they’re both easy, delicious, and built off the same core technique.

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Sous Vide Corned Beef Hash – Amazing 10-Hour Tender Recipe

Final plated sous vide corned beef hash with egg and parsley

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Perfectly tender sous vide corned beef brisket, slow-cooked for 10 hours and finished with a golden sear. Ideal for breakfast hash or a hearty meal.

  • Author: Jasmine
  • Prep Time: 15 minutes
  • Cook Time: 10 hours
  • Total Time: 10 hours 15 minutes
  • Yield: 6 servings 1x
  • Category: Main Course
  • Method: Sous Vide
  • Cuisine: American, Irish

Ingredients

Scale

3 Pounds Corned Beef Brisket

1 Yellow Onion, sliced

3 Tablespoons Coarse Brown Mustard

1 Teaspoon Caraway Seed

1 Teaspoon Black Pepper

2 Tablespoons Canola Oil (or other high heat oil)

Instructions

1. Fill a pot or heat-safe container with water and set your sous vide machine to 180°F.

2. Remove the corned beef from packaging, rinse 2–3 times, and pat dry.

3. Score the fat cap with diagonal cuts to create a diamond pattern.

4. Rub the brisket with mustard, caraway seed, and black pepper.

5. Place brisket and sliced onions into a vacuum or Ziploc bag and seal.

6. Submerge in the water bath and cook for 10–12 hours.

7. Remove brisket, drain excess liquid, and rest for 10 minutes.

8. Heat a skillet over medium-high. Add oil once hot.

9. Sear brisket fat-side down for 4–6 minutes. Flip and repeat.

10. Slice thinly against the grain and serve with your favorite hash sides.

Notes

Do not exceed 12 hours to avoid mushy texture.

Use freezer-safe Ziploc bags if not vacuum sealing.

Make ahead and reheat sous vide at 140°F for 1 hour.

Leftovers are great for Reubens or sliders.

Nutrition

  • Serving Size: 6 oz
  • Calories: 395
  • Sugar: 1g
  • Sodium: 1080mg
  • Fat: 28g
  • Saturated Fat: 10g
  • Unsaturated Fat: 16g
  • Trans Fat: 0g
  • Carbohydrates: 3g
  • Fiber: 0g
  • Protein: 28g
  • Cholesterol: 100mg

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Why Sous Vide Corned Beef Hash Wins Every Time

Why Use Sous Vide for Corned Beef Hash

Traditional stovetop or oven-braised corned beef can be hit-or-miss. Overcook it and it gets stringy. Undercook it and it’s chewy. But with sous vide corned beef hash, you lock in moisture, break down connective tissue slowly, and get consistent texture in every bite. That’s what makes sous vide corned beef hash so reliable—you can count on perfectly tender beef every time.

By cooking the brisket at 180°F for 10–12 hours, sous vide corned beef hash transforms into something truly special. The meat becomes pull-apart tender without falling apart, making it ideal for crisping in a skillet or folding into a hearty brunch. This method is perfect not just for sous vide corned beef hash, but also for dishes like Corned Beef and Cabbage or 24-Hour Corned Beef, where controlled texture is everything.

What You’ll Need to Get Started

To make this sous vide corned beef hash, you’ll need just a few kitchen tools:

  • Immersion circulator (like Anova or Joule)
  • Large stock pot or heat-safe container
  • Vacuum sealer or Ziploc freezer bags
  • Cast iron skillet or heavy-bottomed pan

The recipe is simple and forgiving. Even if it’s your first sous vide recipe, you’ll feel confident cooking it through.

Seared sous vide corned beef in cast iron skillet
Crisped to perfection in a cast iron skillet after sous vide

Cooking Sous Vide Corned Beef Hash to Perfection

Choosing the Right Temperature for Corned Beef Hash

When it comes to making sous vide corned beef hash, the most important step is setting the correct temperature. For fork-tender brisket, 180°F (82°C) is the sweet spot. At this temp, the connective tissue in the meat breaks down slowly, leaving you with juicy slices that hold their shape without falling apart.

While some recipes go as low as 165°F or as long as 24–36 hours, I’ve found that 10–12 hours at 180°F hits the balance between flavor and texture. If you’re after a deli-style result, check out this brisket variation.

So what’s the best temperature for sous vide beef in general? It depends on your cut and goal. Tender steaks usually land around 129°F–135°F, but tougher cuts like brisket need higher temps to truly shine. This guide on sous vide temps can help tailor each cut.

Bag It Right: Packaging Tips and Safety Checks

A common question is: Can I sous vide corned beef in its original packaging? Technically, yes—but only if the packaging is food-safe and BPA-free, which isn’t always guaranteed. I recommend removing the meat, rinsing off excess brine, and placing it in a new vacuum-sealed or Ziploc freezer bag.

If you’re using Ziploc bags, yes—they’re safe for sous vide up to about 190°F, especially when using the water displacement method. Just make sure to press out all the air to avoid floating. You can learn more from our article on sous vide corned beef in original packaging.

Want a quick recap of the cooking process? Here’s the breakdown:

StepAction
1Set sous vide bath to 180°F
2Rinse and pat dry brisket
3Score fat cap; rub with mustard, seeds, pepper
4Seal with onions in vacuum/Ziploc bag
5Sous vide for 10–12 hours
6Let rest, then sear in skillet until crisp

Want to switch things up next time? Try our Pastrami version with smoked paprika and coriander crust—it’s just as easy, but with a bold deli flair.

Can You Overcook Meat in a Sous Vide?

Technically, not in the traditional sense—sous vide keeps the meat from exceeding the water temperature. But when making sous vide corned beef hash, it’s still possible to affect texture if you cook far beyond the ideal window. Even though the temperature remains stable, overextending the time can make your sous vide corned beef hash mushy instead of fork-tender.

For the best sous vide corned beef hash, stick to the 10–12 hour range at 180°F. That timeframe delivers melt-in-your-mouth results without breaking the meat down too far. If you’re aiming for a more shredded texture, a 24-hour sous vide corned beef hash version is possible—but know it will be less sliceable and more suited for saucy dishes or sandwiches.

Bringing the Hash to Life: Searing, Slicing & Serving

How to Finish and Sear Sous Vide Corned Beef

After 10 to 12 hours in the water bath, your brisket will be tender and aromatic—but it’ll look a bit plain. That’s where searing comes in. The goal? A crisp, golden-brown crust that adds rich texture and flavor contrast.

Once your brisket is out of the bag, let it rest on a cutting board for 10 minutes to allow the juices to settle. Heat a cast iron skillet over medium-high heat until smoking hot. Add a couple tablespoons of a neutral, high-heat oil like canola.

Place the brisket fat side down into the pan. Let it brown undisturbed for 4–6 minutes, then flip and repeat. The result is a crackly crust that holds up beautifully in hash, sandwiches, or Reuben-style plates.

If you’ve ever asked yourself whether you can overcook meat in a sous vide, here’s the truth: not really, but oversearing can dry it out quickly. Keep your pan hot but not scorching, and only sear for a few minutes per side.

Slicing and Turning Brisket into Hash

Once seared, it’s time to slice. Always cut against the grain—this shortens the muscle fibers and gives you a melt-in-your-mouth texture. For hash, thinner slices are best. From here, dice the slices into ½-inch cubes.

Toss the beef cubes with sautéed diced potatoes and onions in the same skillet. Use the leftover fat from the sear to coat everything and keep flipping until the potatoes are golden brown and the beef is crisp on all sides. If needed, add a bit more oil and press the mixture into the pan for even browning.

Need inspiration for side pairings? This hash goes beautifully with soft eggs or Irish soda bread. It also layers well into a brunch sandwich with mustard or aioli. Want even more variations? Try pairing with Corned Beef and Cabbage or serving with sauerkraut for a tangy twist.

Is Canned Corned Beef Hash Already Cooked?

Yes, but it’s very different from sous vide. Canned versions are pre-cooked and preserved, but they lack the fresh flavor, texture, and control that sous vide gives. Once you’ve had homemade sous vide corned beef hash, it’s hard to go back.

For folks who love making their own from scratch, we also have a best sous vide corned beef recipe that includes spice packet upgrades and additional flavor options.

Still curious about packaging safety? Refer back to our deep dive on sous vide in original packaging to stay food-safe while cooking like a pro.

Ingredients for sous vide corned beef hash on wooden board
All the ingredients ready to prep a classic sous vide corned beef hash

Make It Yours: Customizations, Fixes & Flavor Boosts

Flavor Twists to Level Up Your Corned Beef Hash

One of the joys of making sous vide corned beef hash is just how easy it is to personalize. Once you’ve mastered the base, there’s room to get creative with spices, sides, and add-ins. Here are some crowd-pleasing variations:

  • Add Garlic & Herbs: A crushed garlic clove and a sprig of thyme or rosemary in the sous vide bag add a subtle aroma to the beef.
  • Swap Mustard Styles: While coarse brown mustard adds sharpness, you can try Dijon or whole-grain for different flavor profiles.
  • Try Sweet & Spicy Glazes: After searing, brush the brisket with a maple-Dijon glaze or chili-lime mixture before slicing.
  • Make it Brunch-Worthy: Top the hash with a runny egg and serve with toast or roasted tomatoes.

Want to branch out? Check out our creative takes like Sous Vide Corned Beef Sliders or a smoky corned beef pastrami finished on the grill.

Troubleshooting the Most Common Issues

Even with sous vide, questions pop up—especially for first-timers. Let’s knock out the most frequent ones:

  • Is it possible to overcook meat in sous vide? Technically, the temperature prevents traditional overcooking, but leaving brisket in too long can turn it mushy. Stick to 10–12 hours for best texture.
  • Is it safe to sous vide in the original packaging? Only if the packaging is marked food-safe and free of BPA. If unsure, transfer to a vacuum or freezer-safe Ziploc bag.
  • Can you sous vide in Ziploc bags? Absolutely—just use the water displacement method and freezer-grade bags that can handle temps up to 190°F.
  • At what temperature should corned beef be cooked? For sous vide, 180°F delivers the perfect melt-in-your-mouth texture. This differs from traditional boiling methods, which often use a rolling simmer.

If your brisket turns out too salty or bland, rinse it well before bagging and try different mustard blends. Texture too dry? Check the seal on your bag—air exposure can sabotage sous vide results.

Looking for more temperature options and time ranges? This detailed guide helps you fine-tune your setup to get just the result you want.

Use It for Meal Prep or Reheating

Sous vide corned beef hash stores beautifully. Slice any leftovers, vacuum seal, and refrigerate for up to 5 days—or freeze for up to 3 months. To reheat, toss into the sous vide bath at 140°F for 45–60 minutes, or sear in a skillet until hot.

And don’t stop at hash—use leftover beef for sandwiches, nachos, or mix into scrambled eggs. Curious how long you can keep brisket in the bath? Here’s our article on extended sous vide times for more flexibility.

Sealed corned beef brisket with spices and onions in sous vide bag
Corned beef brisket sealed and ready for its long sous vide bath

Conclusion: Why Sous Vide Corned Beef Hash Is a Game-Changer

If you’ve ever struggled with dry, stringy, or bland corned beef, sous vide is your new secret weapon. This method guarantees precision, tenderness, and bold flavor every single time—no guesswork, no stress. Cooking at 180°F for 10–12 hours transforms a tough brisket into a melt-in-your-mouth marvel, perfect for corned beef hash or next-day sandwiches.

Whether you’re cooking for Sunday brunch, St. Patrick’s Day, or just craving something savory and satisfying, sous vide corned beef hash is the ultimate comfort food with a chef-worthy twist. You can prep it ahead, tweak the spices to your liking, and even use leftovers for creative meals throughout the week.

I’ve made this recipe more times than I can count—and each time, it brings back the joy that made me fall in love with sous vide in the first place. Give it a try. You might never go back to the canned stuff again.

And if you’re curious about other ways to enjoy corned beef, check out our guides on corned beef pastrami or corned beef for Reubens. They’re just as easy—and just as delicious.

Ready for that crispy, savory bite? Let your water bath do the work. You handle the sear and the sides.

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FAQs

Can I sous vide corned beef in original packaging?
Only if it’s BPA-free and labeled food-safe. Otherwise, transfer to a vacuum bag or Ziploc freezer bag for safety and flavor control.

Is canned corned beef hash already cooked?
Yes, but it lacks the texture and freshness of homemade. Sous vide brings a depth of flavor that canned just can’t match.

What is the best temperature for sous vide beef?
It depends on the cut, but for corned beef hash, 180°F is ideal for breaking down collagen and delivering tender slices.

At what temperature should corned beef be cooked?
Traditional methods simmer it around 190°F. For sous vide, aim for 180°F for 10–12 hours for perfect texture.

Can you sous vide in Ziploc bags?
Yes, just make sure they’re freezer-grade and use the water displacement method to remove air.

Is it safe to sous vide in original packaging?
Not always. If the packaging isn’t labeled safe for high heat, rebag it to avoid chemical leaching.

Is it possible to overcook meat in sous vide?
Not in the usual sense, but going far beyond recommended times can cause the texture to deteriorate.

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