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Mustard Sauce for Corned Beef

Best mustard sauce for corned beef. Take your meat to the next level with this corned beef mustard that is sweet but tangy, just like it should be.

mustard sauce for corned beef

This mustard sauce for corned beef is amazing! With just a few ingredients you can add this to one of our corned beef recipes to bring it to the next level.

There are many ways to make corned beef and cabbage, we have tried them all! Our favorite method is probably our Instant Pot corned beef recipe. It comes out perfectly tender every time.

  • Once that is done you can pour this corned beef mustard sauce on top and OH MY is it good.
  • If you make it in your oven you can bake it on top for the last hour so it really sinks in. Either way it’s out of this world delicious.

Corned beef mustard

corned beef

Here are a few questions you might have before you get going on this. There are many uses, such as adding it at the beginning, in the middle of your cook time or just brushed on at the end. We like it all.

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Corned beef sauce

What cut of corned beef is more tender?

The point has more fat on it which makes it a bit better to getting fork tender. Of course every piece is different, I suggest you choose the one that has the MOST fat possible on one side.

What is better point cut or flat cut corned beef?

Point cut is rounder and has more marbling, this allows for more flavor and juiciness. Leaner flat cuts offer a great deal of flavor if cooked correctly. Pressure cooker corned beef is best we say.

What kind of mustard do you serve with corned beef?

I used yellow mustard for years until we created this mustard sauce for corned beef which is out of this world!

Do you rinse corned beef before cooking?

If you smoke corned beef you do, otherwise I do not. Rinsing will eliminate some of the marinade and flavor on the outside.

No matter what cooking method you use, you’ve gotta’ pour this on top or serve it on the side in a gravy boat. We now can share how to smoke corned beef because we made it recently and are ready to share. You can even make Instant Pot frozen corned beef if you forgot to defrost it.

corned beef with mustard sauce

Sauce for Corned Beef

  • Corned beef brisket
  • Brown sugar
  • Honey
  • Yellow mustard
  • Spicy mustard

If I am planning on using this I do not use the spice packet that comes in the bag. One or the other is best, not both.

AND this meat is not just for March 17 St Patrick’s Day, it is way too good to just have it once a year I tell you!

Time needed: 5 minutes

Mustard for Corned Beef

  1. Mix ingredients

    Add all items into a large measuring cup. Use a fork or whisk to mix ingredients together until it is as smooth as possible.

  2. Cook

    Depending on your method of cooking, you can pour on top an hour or so before your meat is done or serve on the side. You could do both too if you made a double batch.

And then you get to taste the amazement!

corned beef brisket

Corn Beef Mustard

As I said we have made this meat many different ways. Another favorite is our dutch oven corned beef and cabbage recipe, or corned beef in a Crockpot.

I think this is because you can add all the carrots and potatoes you want and slow cook it until it falls apart. I would suggest using beer instead of water too because it adds a lot of flavor!

Try it on our Instant Pot brisket too and see if you like it on other cuts.

Want to see a few of my favorite things that I am totally obsessed with?? Take a peek and see how many you might already have…twinsies!

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Nutritional information is included in the printable recipe below for you. If you want to double it you’d just need to add 1/2 cup of brown sugar and twice the amount of all the other ingredients too.

Looking for other yummy sauces to serve beyond St. Patrick’s Day? Try our homemade fry sauce or bang bang shrimp sauce recipes!

mustard for corned beef
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5 from 1 vote

Mustard Sauce for Corned Beef

Best mustard sauce for corned beef. Take your meat to the next level with this corned beef mustard that is sweet but tangy, just like it should be.
Course Side Dish
Cuisine irish
Keyword corned beef, mustard, sauce
Prep Time 5 minutes
Servings 8
Calories 42kcal
Author The Typical Mom



  • Use a fork to mix all ingredients together in a small bowl or large measuring cup with a spout.
  • Pour on top mid way through cooking your corned beef, or at the end if you would rather.


Nutrition Facts
Mustard Sauce for Corned Beef
Amount Per Serving (1 oz)
Calories 42 Calories from Fat 9
% Daily Value*
Fat 1g2%
Saturated Fat 1g6%
Sodium 130mg6%
Potassium 22mg1%
Carbohydrates 10g3%
Fiber 1g4%
Sugar 9g10%
Protein 1g2%
Vitamin A 7IU0%
Vitamin C 1mg1%
Calcium 11mg1%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
corned beef mustard
Recipe Rating

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Monday 20th of November 2023

The best mustard sauce is made with dry mustard powder.

Lynette White

Friday 22nd of September 2023

I’m confused. In this recipe it says to use Dijon mustard but it also mentioned spicy mustard as an ingredient. Which is it?

The Typical Mom

Friday 22nd of September 2023

Dijon, in the recipe card. Sorry I just refer to that as spicy in another spot above but technically yes it is Dijon


Saturday 18th of March 2023

LOVED this sauce! Not too mustardy, and the sweet goes well with the salty corned beef. My husband is a food snob and he loved it! My first year cooking corned beef, it was so easy but corned beef definitely needs this sauce. Will definitely be a new tradition!

The Typical Mom

Sunday 19th of March 2023

Oh yay that is great!!


Wednesday 17th of March 2021

Maybe I missed it, but I can't find the measurements for each ingredient. I found the ingredient list, but not the amounts of each.

The Typical Mom

Wednesday 17th of March 2021

Scroll to the bottom, the printable recipe card is there with everything


Monday 4th of January 2021

Can you use this sauce on other meats, such as pork tenderloin, or other beef cuts? Thanks so much for your reply.


Friday 11th of March 2022


You can use this sauce with anything! It would taste great with a roast beef or a ham. I think it would be good with smoked turkey, too.

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