Roast Beef Sandwich with Truffle Mayo

Truffle mayo and shaved parmesan makes this cold roast beef sandwich especially tasty! Great for lunch or a summer dinner any day of the week!


Roast Beef Sandwich with Truffle Mayo laying partially open on a wooden cutting board.


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Roast Beef Sandwich with Truffle Mayo laying open on a wooden cutting board.


This recipe was photographed and updated 6/2024.


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Roast Beef Sandwich recipe ingredients displayed on a gray background.



Today's sandwich recipe is a hit! I love a good, basic cold sandwich most any day of the week. But, sometimes, you want to make an extra special sandwich, and this Roast Beef Sandwich with Truffle Mayo, is just that. 

The crustiness from the baguette is perfect for this sandwich. The roast beef and truffle pair so well together and the arugula adds that peppery, fresh flavor. The Parmesan needs no explanation. It's perfect on everything and the roasted pine nuts add a great crunch and texture.

This sandwich is great for a picnic, lunch at home or work. I like to eat it freshly made, but you could make ahead as well.


If you have some parmesan cheese to use up after making this recipe, try this Parmesan Orzo or Mini Parmesan Garlic Monkey Bread!


Keep scrolling for the full printable recipe 💙


a small white bowl with truffle mayo on a gray background.


You can add or substitute with these ingredients:


  • use turkey instead of roast beef
  • add sliced red onion
  • use spinach instead of arugula
  • use sharp white cheddar instead of parmesan
  • use a croissant instead of a baguette
  • use swiss cheese instead of parmesan
  • use garlic mayo instead of truffle
  • use provolone cheese instead of parmesan
  • add homemade sliced pickles or pickled red onion


Recipe tips:

  • If making this sandwich ahead, assemble as directed. Wrap in parchment paper and refrigerate for up to 6 hours. 
  • If you don't have shaved parmesan, use a veggie peeler to shave the cheese from your block of parmesan. I recommend freshly shredded, grated or shaved cheese whenever possible for the best flavor and melt.
  • Do not skip roasting the pine nuts! It adds such a great crunch and buttery flavor.


Roast Beef Sandwich cut in half and stacked on a wooden cutting board.
Yield 2 servings
Author Hot Eats and Cool Reads
Prep time
10 Min
Total time
10 Min

Roast Beef Sandwich with Truffle Mayo

Ingredients

  • 2 tablespoons mayonnaise
  • 1 tablespoon white truffle oil
  • 1 ounce pine nuts
  • 1 baguette
  • 2 ounces arugula
  • 4-6 slices of medium-rare roast beef
  • 1 ounce shaved parmesan cheese
  • salt, to taste
  • freshly cracked black pepper, to taste

Instructions

  1. In a bowl, mix the mayonnaise and truffle oil until well combined.
  2. In a skillet, roast the pine nuts on medium-high heat for about 3-4 minutes, or until golden brown on the outside.
  3. Cut the baguette open and evenly spread the truffle mayonnaise on the baguette.
  4. Add the arugula over the baguette, then add the slices of roast beef.
  5. Add the shaved parmesan.
  6. Season with salt and pepper.
  7. Top off with roasted pine nuts.
  8. Cut in half and serve!

Hot Eats and Cool Reads is not responsible for the outcome of any recipe you try from this blog/website. You may not always have the same results due to variations in ingredients, humidity, altitude, cooking temperatures, typos, errors, omissions, or individual cooking abilities. 


You are solely responsible for ensuring that any nutritional information provided is accurate, complete, and useful. I am not a certified nutritionist and make no claims to the contrary. Each individual's dietary needs and restrictions are unique to the individual.



Roast Beef Sandwich with Truffle Mayo cut in half and displayed on a wooden cutting board.


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Comments

  1. Caramelized onions make everything better! As does Heinz!! This sandwich looks yum. I have never made the onions on the grill before. Will definitely have to give it a go! Thanks!

    ReplyDelete
  2. Yum, Caramelized onions make everything special and on a croissant? Even better! I'm a huge mustard fan too and Grumpy always tells me I have every flavor imaginable in the fridge. ha ha. I really love that new Heinz Mustard commercial too lol I thought of it when I was reading you post ;)

    ReplyDelete
  3. If I could I would eat ALL my sandwiches on croissants! this one looks so good! and caramelized onions are just the icing on top! the is a perfect sandwich!

    ReplyDelete
  4. I bet the caramelized onions with the roast beef and havarti and the mustard is delicious! :) This is definitely my kind of sandwich.

    ReplyDelete
  5. You know, I've never been much of a mustard fan but I'm starting to come around. I'll have to look for this mustard. I love this sandwich. I'm very fond of harvarti these days.

    ReplyDelete
  6. Caramelized onions sound so delicious on a sandwich with roast beef and mustard.

    ReplyDelete
  7. This sandwich sounds and looks delicious! I'm going to try the Heinz Yellow Mustard soon!

    ReplyDelete

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