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Roast Beef Sandwiches with Horseradish Mustard

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Paired with a Stout

Lunch is served with these Roast Beef Sandwiches with Horseradish Mustard! These sandwiches are the perfect make-ahead lunch, topped with a spread made of horseradish, dijon mustard, mayo and salt and pepper. Spread it on a French baguette and top with peppery arugula, salty roast beef, and crunchy cucumbers are a sandwich lover’s dream. Lunch was never so easy!

Lunch is served with these Roast Beef Sandwiches with Horseradish Mustard! |

I’m keeping things super simple and quick today. Yay for Friday being all about the easy things in life! Zach and I are sandwich obsessed. It’s a good thing I don’t have an allergy to gluten because I’d probably miss a good loaf of bread most of all.

The farmer’s market in our new town is incredible. I may have mentioned this before. There are two vendors selling fresh bread, and I have been going absolutely crazy over it. The first week we got pumpernickel, and I’m not talking about the Americanized version of pumpernickel. This pumpernickel was the traditional kind you would find on the streets of Germany. Let’s just say it didn’t last very long.

The second week we stuck to more artisan-style breads, which are equally as amazing! If I was even planning on attempting to go on a low-carb diet, that flew right out the window the moment I stepped foot in the farmer’s market. Ugh, I hate it when that happens.

These roast beef sandwiches with horseradish mustard are one of my favorite sandwiches to make at the beginning of the week. I know, this recipe is super simple, but I still had to share. While the fresh bread makes these sandwiches, the creamy horseradish mustard is a close second. It’s all about the spreads and sauces when it comes to sandwiches in my book, and this one does not disappoint.

As we are approaching the start of school again (can you believe it!?), these sandwiches must make it into your daily routine at some point. Pair them with a stout. A stout will really compliment the roast beef and horseradish! Have a wonderful weekend everyone, and I’ll see you on Sunday! xo

Lunch is served with these Roast Beef Sandwiches with Horseradish Mustard! |

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Lunch is served with these Roast Beef Sandwiches with Horseradish Mustard! |

Roast Beef Sandwiches with Horseradish Mustard



Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

Prep Time 5 minutes
Total Time 5 minutes


  • 2 tablespoons prepared horseradish
  • 2 tablespoons dijon mustard
  • 2 tablespoons mayo
  • salt and black pepper
  • 1 loaf French baguette
  • 2 cups fresh baby arugula
  • 1 large cucumber sliced
  • 10 slices roast beef


  • In a small bowl, fold together the horseradish, dijon mustard, mayo and a dash of salt and black pepper. Set aside.
  • Slice the baguette in half lengthwise. Spread the horseradish sauce on top and then layer on the arugula, cucumber and roast beef.
  • Cut the loaf in 6 equal pieces and serve immediately or wrap and eat throughout the week!
  • Enjoy!

Lunch is served with these Roast Beef Sandwiches with Horseradish Mustard! |



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I’m the voice, author, creator, and photographer behind Cooking and Beer. We started things about 10 years ago and Cooking and Beer has morphed and grown into what it is today: providing hundreds of recipes to thousands of people.

22 Responses

  1. Looks awesome, I LOVE a good sandwich, in fact we’re having sandwiches for diner tomorrow night. I gotta try this one!

  2. My husband would love that horseradish mustard! These sandwiches would be perfect at a summer party!

  3. I’ve never seen sandwiches look this pretty!! These are so bright and lovely, can’t wait to make them!

  4. A girl after my own heart! I love brewing beer, but I’ve just started cooking with it over the last few months. Sandwiches are awesome – especially on artisan bread – and I’m digging the horseradish mustard!

  5. I love a good loaf of bread too, and a good sandwich! This looks phenomenal, and the horseradish mustard is calling my name!

  6. I SO miss bread since I had to give up wheat. Most other things are easy to replace or do without, but you can’t beat a chewy sourdough roll. These sandwiches look so good!

  7. This sandwich looks amazing! Omg. And that horseradish mustard sounds ridiculous!

  8. I am rather shocked that August is this weekend already but secretly I am excited. I think its a combo of ready for it to cool off and for this baby to be here sooner than later ;)
    And these sandwiches?! Love all the crunch factors!

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Hello! I'm Justine.

I’m a blogger and web developer from the beautiful state of Oklahoma, where my loving husband, two adorable kids, and two mischievous dogs keep me on my toes 24/7. My idea of heaven includes endless summer days, getting lost in a good book, and whipping up some delicious homemade bread.


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