Sous Vide Steak

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published September 22, 2019 • Updated February 18, 2026

This post may contain affiliate links. See my disclosure policy.

I've been cooking steak sous vide for years, and it's the most reliable way I've found to nail a perfect medium rare at home. In this recipe I walk you through my full process plus three ways to finish with a sear (grill, cast iron, or torch).

sliced steak

I started cooking steak in a water bath back in 2016 when I got my first Anova circulator, and I haven’t gone back to grilling blind since. The whole idea is simple: you heat water to the exact temperature you want your steak to finish at, seal the meat in a bag, and let the water do the work. No guessing, no cutting into the meat to check, no dried-out edges with a raw center.

What sold me was the first time I pulled a ribeye out of the bath at 131 degrees. The entire steak, edge to edge, was the same blush pink. I’d never gotten that from a grill or cast iron alone. The grill gives you a great crust but the inside is always a gradient, medium rare in the middle fading to gray at the edges. With this method, every single bite is the doneness you chose.

The process fits naturally into a keto kitchen because there’s nothing to add. It’s beef, salt, pepper, and heat. I season my steaks before they go in the bag, sometimes with a sprig of rosemary or a couple of crushed garlic cloves, and that’s it. After the bath, I pat the steak dry, let it cool for about 10 minutes in the fridge, then finish with a hard sear. That cooling step matters because it gives you a wider window to build a crust without pushing the interior past your target temp.

I’ve tested all three finishing methods dozens of times. The cast iron pan sear is my everyday go-to because the butter basting adds flavor you can’t get from a grill. The grill finish is what I use when I’m already outside cooking for a crowd. And the torch is fun for a quick hit of char, though I’ll be honest, if you hold it too long the steak picks up a faint gas taste.

If you love steak as much as I do, try my grilled flank steak for a faster weeknight option, or my Instant Pot Swiss steak when you want something braised and hands-off. For a full roundup of beef ideas, check out my 66 keto beef recipes or my carnivore diet recipes collection.

What is sous vide steak and why does it work?

Sous vide steak means sealing your cut in a bag and cooking it in temperature-controlled water until the interior reaches exactly the doneness you want. I know it sounds strange. When I first heard about it, I pictured a steak bobbing in a boiling pot, but the reality is completely different. The water stays at a low, precise temperature (I set mine to 131 for medium rare) and the bag keeps the meat protected from the water entirely.

The reason I switched to this method is control. When I cook a steak on my grill or in a skillet, I’m fighting temperature swings the entire time. Ovens can fluctuate 20 degrees in either direction. A sous vide circulator holds the water within one degree of your target, so the steak physically cannot overcook past that point. I’ve left steaks in the bath for 2 hours when dinner got delayed and they came out just as good as the ones I pulled at the 1-hour mark.

It’s also naturally low carb. There’s no breading, no marinade sugar, no flour. Just the steak, salt, pepper, and whatever aromatics you toss in the bag. After the bath, you finish with a quick reverse sear to build the crust. That combination of precise interior temperature plus a hard, fast sear is what gives you that edge-to-edge pink with a caramelized exterior. If you want another low carb steak option for busy nights, try my slow cooker steak and peppers or my keto Salisbury steak.

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Sous Vide Steak

5 (5) Prep 5m Cook 120m Total 125m 2 servings

Ingredients

  • 16 oz steak (NY or Ribeye) at least 1 inch thick
  • gallon ziploc bag
  • salt and pepper for seasoning
  • 2 tablespoons of avocado oil if pan searing with a castiron skillet
  • 4 tablespoons butter if pan searing with a castiron skillet

Step by Step Instructions

Step by Step Instructions

1
Set up your sous vide

Fill your pot or cooking vessel with warm water.

filling a tub with water for water bath
2
Set the sous vide temperature

Add your immersion circulator to the water bath and turn on. Set the immersion circulator to your desired doneness. For rare, set to 120 – 129 F. For medium rare, set to 129 – 135 F. For medium, set to 135 – 144 F.

immersion circulator set to medium rare
3
Season your beef

Season steaks with salt and pepper on all sides.

ny steaks on a tray
4
Sous vide

Place the seasoned steak in a gallon ziploc bag. Partly seal the bag. Don’t close all the way yet. Dip the bottom of the bag in the water bath and push it down. As the bag moves down the water bath, the water will push the air in the bag out. Once the opening of the bag is almost touching the water, seal the rest of the bag. Clip the bag to the side of the pot. If the bag floats, there is too much air in the bag. Unseal and dip down again to release the air.

bagged steaks clipped to sous vide pot
5
Wait a couple hours

Let cook for 1 to 2 hours, depending on the thickness of your steak. Most one inch steaks will cook in 1 hour. Don’t worry, you can’t really overcook the steak. If it cooks for 3 to 4 hours, it will still be fine. See explanation below.

steak cooking in a sous vide
6
Pat dry

Once steak is finished cooking in the sous vide water bath, remove the bag and take out the steak. Pat dry with a paper towel. And refrigerate steak for about 10 minutes to allow it to cool.

patting beef steak with paper towels
7
Grill finish

To finish the steak on the grill, preheat grill to high heat, about 450 – 500 degrees. And sear both sides for 1-2 minutes on each side.

steak cooking on a grill
8
Torch finish

To finish the steak with a blow torch, turn on torch and sear all sides for 2 minutes each side.

blow torching a steak
9
Pan finish

To finish the steak in a cast iron pan or skillet, preheat pan to medium high, then add butter. Add steak and sear on all sides for 2 minutes each side. Spoon butter all over steak as it cooks.

cooking a steak in a skillet
Nutrition Per Serving
470 Calories
20.3g Fat
64g Protein
0g Net Carbs
0g Total Carbs
2 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Sous Vide Steak

Frequently Asked Questions

What type of steak works best for sous vide cooking?

I reach for NY strip and ribeye more than anything else. The marbling keeps them juicy through the bath and the fat renders beautifully during the sear. I've also done filet mignon when I want something leaner, and it comes out incredibly tender. For tougher cuts like sirloin, I extend the cook time to 8 to 10 hours, which breaks down the connective tissue and turns it into something surprisingly tender.

Can I sous vide steak from frozen?

I do this all the time when I forget to thaw. Just add about 1 extra hour to your cook time and plan on an extra minute per side when you sear. I've cooked frozen ribeyes and strip steaks this way and the results are just as good as fresh. The only thing I watch for is making sure the bag stays submerged since frozen steaks tend to float more at the start.

What's the best thickness for sous vide steak?

I've found that 1.5 to 2 inches is the sweet spot. Anything thinner and the sear can push the interior past medium rare before you get a good crust. My local butcher cuts to order, so I always ask for 1.5 inches. If you're buying pre-cut from the store, look for the thicker packages near the back of the case.

What temperature should I set for rare, medium rare, and medium?

I cook at 131 for medium rare, which is where I land 95% of the time. For rare, I set it between 120 and 128. For medium, 135 to 144. My husband prefers his steak closer to medium so I pull his out of the same bath and give it a longer, harder sear to push the edges up a bit. That way I'm not running two water baths.

How long is too long for sous vide steak?

I keep my cook window at 1 to 2 hours for standard 1 to 2 inch cuts. Going to 3 hours won't ruin anything, but past 4 hours the texture changes noticeably. I left a pair of strip steaks in for 5 hours once and they came out mushy even though the color was still perfect medium rare. One safety note: if you're cooking below 130 degrees (for rare), keep the total time under 2.5 hours for food safety.

Do I need a vacuum sealer or will a Ziploc bag work?

I use a gallon Ziploc bag for almost every cook. It's cheaper, doesn't squeeze the meat out of shape, and I can fit two steaks in one bag. The water displacement method (dipping the bag slowly into the bath to push air out) works just as well as vacuum sealing for steak. I only pull out my vacuum sealer for long cooks over 4 hours where I want an airtight seal.

Why does the steak need to cool before searing?

When I skip the cooling step, my steak always comes out more medium than medium rare after the sear. The interior is already at 131 degrees straight out of the bath, and a hot pan pushes it higher fast. I put the patted-dry steak in the fridge for about 10 minutes, which drops the surface temp enough to give me a full 2 minutes of sear time per side without overcooking the center.

Can I use olive oil instead of avocado oil for pan searing?

You can, but I prefer avocado oil because it handles high heat without smoking up my kitchen. Olive oil's smoke point is lower, so it starts to burn and smell before I get the crust I want. If olive oil is all you have, it'll work in a pinch. Just keep the heat at medium rather than medium-high and expect a lighter sear.

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How to cook steak sous vide (my full process)

The Sous Vide Water Bath

plastic tub water bath

Setting up the water bath is the easiest part. I use a big stockpot for weeknight dinners when I’m cooking one or two steaks. If I’m cooking for a crowd, I switch to a sous vide circulator (I use the Anova with wi-fi) clipped to a larger plastic tub that lets me clip multiple bags to the sides and cook different cuts at the same temperature.

Fill the vessel with warm water before attaching the circulator. Starting with warm water cuts the preheat time in half. I set my circulator to 131 for medium rare, then let it come to temperature while I prep the steaks. The whole setup takes me about 5 minutes.

Bagging the Steak for Sous Vide

steak in a plastic bag

I’ve tried both vacuum-sealed bags and regular gallon Ziploc bags, and I reach for the Ziploc almost every time. It’s cheap, it doesn’t squeeze the meat out of shape, and you can fit two steaks in one bag if you position them vertically side by side (not stacked on top of each other, which blocks even cooking).

If you do vacuum seal, stick to one steak per pouch. The vacuum pressure can deform thinner cuts and press them together if you pack more than one.

Getting the air out of a Ziploc is simple once you’ve done it a couple times. I partially seal the bag, dip it slowly into the water bath (seal side up), and let the water push the air out as the bag sinks. Once the waterline is just below the seal, I zip it the rest of the way. If the bag floats after sealing, there’s still air trapped inside and I start over. Trapped air means uneven cooking because the water can’t make contact with all sides of the steak.

Once the bag is sealed, I clip it to the side of the pot with a binder clip and make sure the entire steak is submerged. If the water level is low, I just add more.

How long to sous vide steak (by thickness)

For most steaks that are 1 to 2 inches thick, I cook for 1 to 2 hours. A 1-inch steak is done in about 1 hour; a 1.5 to 2-inch cut needs closer to 2 hours. The water bath is forgiving since the temperature stays locked, so if dinner runs late and you go to 3 hours, the steak will still be fine.

Where I draw the line is 4 hours. Past that point, the texture starts to shift. The steak gets softer and loses moisture. I learned this the hard way when I forgot about a couple of strip steaks one afternoon. They were still medium rare in color but the bite was mushy, not what you want.

If you’re cooking from frozen (yes, you can), add about 1 extra hour to the bath time and plan on an extra minute per side when you sear. I do this regularly when I forget to thaw steaks and it works perfectly.

Can you overcook steak in a sous vide bath?

three sous vide NY steaks on a cutting board

The short answer is yes, but not in the way you’d think. The temperature won’t climb past what you set, so the interior stays at your target doneness. What changes is the texture. The longer the steak sits in the bath, the more the muscle fibers break down. At 1 to 2 hours, you get a pleasant, traditional chew. At 4 hours, the steak feels noticeably softer and starts losing juice.

I’ve pushed it to 5 hours once out of curiosity and the ribeye came out almost mushy. Still pink, still technically medium rare, but the eating experience was off. So I keep my window at 1 to 2 hours for standard cuts and never go past 4.

This is even more critical with seafood. I’ve overcooked shrimp in the bath by just 20 minutes and they turned to mush. Steak is more forgiving, but it’s not bulletproof.

How to sear steak after the sous vide bath

First you must cool the steak

Once your steak comes out of the bath, pat it completely dry with paper towels. Moisture is what prevents a good sear. The steak will look gray and unappetizing at this stage, and that’s totally normal. The sear is what builds the brown crust and the Maillard flavor.

Here’s a step I never skip: I refrigerate the steak for about 10 minutes before searing. Straight out of the bath, the interior is sitting right at 131 degrees (or whatever you set). If you throw it directly onto a screaming hot pan, the sear pushes that interior temp higher and you lose the medium rare you worked for. Cooling it down first gives you a bigger buffer, so you can sear for a full 2 minutes per side and still keep that edge-to-edge pink.

What ways can you finish or sear your steak?

Seared on the grill

grilling a steak

I preheat my grill to 500 degrees and oil the grates before the steak goes on. The whole sear takes about 1 to 2 minutes per side. I use this method when I’m already grilling something else or cooking for a group, because it’s fast and I can sear 4 steaks at once without crowding a pan.

Pan seared (my everyday method)

cooking a steak in a cast iron skillet

This is how I finish my steak 90% of the time. I preheat my cast iron (I use a Finex for even heat and cooler handles) over medium-high, add a couple tablespoons of avocado oil, then lay the steak in and drop a knob of butter alongside it. I sear for 1 to 2 minutes per side, spooning the melted butter over the top the entire time. I picked that up watching Gordon Ramsay years ago and now I can’t do it any other way. The butter basting builds a richer crust than oil alone.

My other go-to pans are these All-Clad stainless steel skillets. Great heat distribution, easy to clean, and they handle high-heat searing without warping.

Blow torch finish

torching a sous vide steak

The torch gives you the fastest sear and crisps up fat caps beautifully. I hold it about 3 inches from the surface and move steadily across each side for about 2 minutes. The downside is that if you linger too long in one spot, the steak picks up a faint gas taste. I’ve found that pairing the torch with a quick pan sear on one side (torch the top while the bottom sears in cast iron) gives the best of both worlds without overdoing either.

Meal prep sous vide steak for the week

One of the things I love most about this method is how well it works for meal prep. I cook 4 to 6 steaks on a Sunday afternoon, pull them from the bath, pat them dry, and store them in the fridge. When I’m ready to eat during the week, I drop the steak back in the water bath for 30 minutes to warm the interior, then give it a quick sear. The result is just as good as a freshly cooked steak.

This is huge for a keto kitchen because protein is the meal and having it prepped ahead means I’m not scrambling at 6pm. I pair reheated steaks with a side salad or roasted broccoli and dinner is on the table in under 10 minutes. If you’re looking for more low carb protein meal prep ideas, my keto chicken fried steak and keto beef stew both reheat well too.

Marinades and aromatics for the bag

I keep it simple most of the time (salt, pepper, done) but when I want to switch things up, I add aromatics directly to the bag before the cook. A sprig of fresh rosemary or thyme and 2 to 3 crushed garlic cloves are my go-to combination. The warm water gently infuses the flavors into the meat over the 1 to 2 hour cook.

You can also add a thin layer of marinade to the bag. I’ve used soy sauce and garlic, a simple herb butter, and a coffee-chili rub. The key is to keep it thin because too much liquid dilutes the sear later. Whatever you add to the bag, you’ll taste it in the finished steak, so I stick to flavors I know I want throughout.

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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  1. L
    Lisa Y. Feb 17, 2026

    One thing worth knowing before you start: pat the steak completely dry after it comes out of the bag before you sear it. I skipped this the first time and got a lot of steaming instead of that hard crust. Now I pull it out, set it on a paper towel for a couple minutes, then hit the cast iron with avocado oil as hot as I can get it. The crust you get is genuinely something else, and the inside is still that perfect pink all the way through. Small step, big difference.

    1. Annie Lampella
      Annie Lampella Feb 17, 2026

      Dry surface is everything! I pat mine down, get the cast iron screaming hot, then lay it down. That first 60 seconds is where the crust happens.

  2. T
    Timothy Blevins Nov 14, 2021

    I'm not kidding, this is the best steak I've ever cooked. My wife and I were amazed at how juicy it was.

    1. Annie Lampella
      Annie Lampella Nov 14, 2021

      Thank you Timothy! I will be doing some more sous vide recipes soon, please check back soon!

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