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Recipe for corned beef with tangy horseradish-mustard sauce (pressure cooker, Instant Pot, slow cooker or stovetop)

Corned beef with tangy mustard sauce (The Perfect Pantry).

Growing up not in the St. Patrick's Day tradition, but in the corned-beef-on-rye-at-the-deli tradition, I'm a huge fan of corned beef. Fortunately, right after St. Patrick's Day, corned beef goes on sale in my local supermarket, and I snag a few pieces of low-sodium flat-cut corned beef to stash in the freezer. (Low sodium is the key, so be sure to look for that on the label.) Usually I cook it in the slow cooker, or even on the stove top, but this year I put my new electric pressure cooker to the test. (You can use your new Instant Pot, too.) I don't want to brag, but, honestly, this was the best corned beef I've ever made, and it was by far the easiest. No fussing required, ready in under two hours, perfectly tender, not salty, great for sandwiches the next day. All around perfect, with a kick from horseradish in the mustard sauce. Skip the traditional New England boiled dinner of corned beef and soggy vegetables: serve your corned beef with a platter of oven-roasted carrots, cabbage and potatoes, or this roasted cabbage, apple and pecan salad.

Corned beef with horseradish-mustard sauce (The Perfect Pantry).

Corned beef with tangy horseradish-mustard sauce

From the pantry, you'll need: bay leaf, black peppercorns, Dijon mustard, prepared horseradish, mayonnaise, beer (I use non-alcoholic).

Serves 6-8.


3.5- to 4-lb low-sodium flat cut corned beef
12-oz bottle of beer (I use O'Doul's non-alcoholic beer)
1 bay leaf
3 black peppercorns
4 tsp Dijon mustard
1 tsp prepared horseradish
4 tsp mayonnaise
1/2 tsp fresh black pepper


You can cook corned beef in the pressure cooker or Instant Pot, in a slow cooker or in a Dutch oven on the stovetop. I've tried them all, and honestly, my new pressure cooker does the best job. If you have all of the options available, go the pressure route. Note that the amount of liquid varies with each method.

Pressure cooker (or Instant Pot) method: Remove the corned beef from the package, and discard the spice packet. Rinse under cold water, and pat dry with paper towels. Trim any excess fat off the corned beef, but leave a thin layer to protect the meat. Place the meat in the pressure cooker. Pour the beer into an 8-cup measuring cup; add water up to the 6-cup mark. Pour the liquid into the cooker, along with the bay leaf and peppercorns. Following the directions that came with your pressure cooker, cook the corned beef on High Pressure for 90 minutes. Use Natural Pressure Release for 15 minutes, then release the remaining pressure with the Quick Release method. Use tongs to remove the meat to a platter, and set aside to cool for 5 minutes before slicing the meat.

Slow cooker method: Prepare the meat as above, and set it in a 4- or 5-quart slow cooker. Pour in the bottle of beer. Add water to almost cover the meat. Toss in the bay leaf, and add 12 black peppercorns. Cover and cook on LOW for 8 hours, until the meat is fork-tender. Remove from the cooker, and set aside to cool for 5 minutes before slicing.

Stovetop method: Prepare the meat as above, and place it in a Dutch oven or heavy stockpot. Pour in the bottle of beer, and add water to cover. Toss in the bay leaf, and add 12 black peppercorns. Over high heat, bring the liquid to a boil. Then, reduce heat to low, cover, and cook for 4 hours, until the meat is fork-tender. Remove from the pot, and set aside to cool for 5 minutes before slicing.

While the meat is cooking, mix together the mustard, horseradish, mayonnaise and black pepper. Cover and set in the refrigerator until the meat is cooked. The longer the sauce sits, the more tangy it will be.

Slice the meat, and serve hot, at room temperature or cold, with the mustard sauce. You can freeze the meat after it is completely cooled.

[Printer-friendly recipe.]

More ways to use a jar of Dijon mustard:
Panko and mustard crusted fish
Brussels and broccoli with maple mustard vinaigrette
Spinach salad with honey mustard vinaigrette
Red cabbage salad with walnuts, raisins, feta, and warm mustard dressing
French potato salad

Other recipes that use these pantry ingredients:
Shrimp with mustard-horseradish sauce, from Kalyn's Kitchen
Cheddar, apples and horseradish mustard panini, from Panini Happy
Lemon, horseradish mustard, and bacon deviled eggs, from The Nourishing Gourmet
Browned cabbage with mustard and horseradish, from A Veggie Venture
Pork tenderloin "diablo", from Food Wishes

Disclosure: The Perfect Pantry earns a few pennies on purchases made through the Amazon.com links in this post. Thank you for supporting this site when you start your shopping here.


This does sound scrumptious - the beer, the mustard, the horseradish, etc. I've never cooked corned beef at home. Looks like it's time to add that to my repertoire.

This sounds delicious. I've never seen the low-sodium corned beef here though. Wonder if that is an east coast thing? I will make a point to look for it next year when the corned beef comes out in the stores.

TW, great for making your own New York deli sandwiches at home! And it's easy to cook, too.

Kalyn, I don't know if it is an East Coast thing, but if you can't find the low-sodium in your market, just rinse off the corned beef well before you use it, and don't add any of the salty spice packet when you cook.

This is the only way I cook my corned beef in the pressure cooker. By the way, corned beef is a big thing in Hawaii and sold all year maybe from all the Irish sailors that settled here, but the Japanese love corned beef also. In Hawaii many people judge the quality of a Japanese okazuya (take-out deli) by its corned beef hash.

Ken, I love how tender the meat gets in the pressure cooker. And I had no idea that it is so popular in Hawaii, so thanks for teaching us something today.

I'm new at using a pressure cooker ( instant pot).

I plan on trying this recipe but when do I add the cabbage, potatoes and carrots? Do I cook them separate?


Ruth, this recipe is just for the corned beef. I much prefer to roast my potatoes, cabbage and carrots in the oven and serve them alongside.

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