2 tuna nicoise sandwiches

You know my salads, and you know my sandwiches, so now it’s time to combine them! Here is my brand new Tuna Nicoise Sandwich. I love all of our recipes, but nothing makes me quite as excited as a delicious sandwich like this. It’s next level amazingness. It is a bit of work, but it is absolutely worth it.

How to Make a Tuna Nicoise Sandwich

There are a few steps of prep for your Nicoise sandwich before we get to assembly. First, make up some Creamy Chive Dressing and get it into the fridge to chill and thicken. Once your dressing is assembled, it’s time to boil some water. You could certainly use separate pots to speed up this process, but if you aren’t in a rush (or don’t like extra dishes) you can use the same pot.

potatoes on a pan with dressing

Start by cooking your green beans, then your potatoes, and finally your Jammy Eggs. Have your timer at the ready, because you want perfectly jammy eggs to make the sandwich delicious. While the jammy eggs are in the water, you can toast up your bread to have it at the ready. Additionally, smash down your potatoes and dress them with a bit of your dressing. When the eggs are done, get them in an ice bath to stop the cooking. After they cool for a minute, peel and cut them.

tuna and chive dressing on bread

Now, you are ready to assemble your Nicoise Sandwich! Start by putting your tuna on one side of the bread, and drizzle some chive dressing on top. Add your green beans, tomatoes, olives and potatoes to the sandwich. Top with your arugula, egg, and Marinated Onions. Close it up and you are ready to enjoy!

tuna nicoise sandwich on a wooden board

If you make this Nicoise Sandwich, be sure you rate and review it below. I can’t wait to hear what you think. If you’re looking for more inspiration, sign up for our Friday Favorites newsletter, and follow along on PinterestInstagram, and TikTok to join in all the fun!

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tuna nicoise sandwich on a wooden board

Tuna Nicoise Sandwich

  • Author: Teri Turner
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 2 sandwiches
  • Category: Sandwich
  • Method: Stovetop


This Nicoise Sandwich is great for weekend eating! It takes a few steps and a bit of time, but the results are absolutely worth it.


For the Creamy Chive Citrus Dressing:

  •   1 large egg
  •   ¾ cup light olive oil
  •   3 tablespoons finely chopped chives
  •   3 tablespoons fresh lemon juice
  •   2 tablespoons minced shallots
  •   1 tablespoon apple cider vinegar
  •   2 garlic cloves, pressed
  •   3 anchovies
  •   1 teaspoon hot sauce
  •   1/2 teaspoon grated lemon zest
  •   ½ teaspoon kosher salt

For the sandwich:

  •   2 tablespoons kosher salt, plus more for seasoning
  •   ¼ pound French green beans
  •   1/2 pound baby potatoes
  •   2 large eggs
  •   1 medium French baguette, cut in half then sliced in half horizontally but not all the way through, so they open like books.
  •   1-2 (4.5-ounce) cans high quality tuna packed in olive oil
  •   1-2 Roma tomatoes or whatever is in season, thinly sliced
  •   ½ cup black pitted olives, sliced
  •   Arugula
  •   Marinated Red Onions
  •   Freshly ground black pepper


  1.   Make the Dressing: In a wide mouth mason jar, using an immersion blender to blend, place the egg and slowly add the light olive oil until it emulsifies and thickens. Add the rest of the ingredients and blend until thoroughly combined. Cover and refrigerate to allow the dressing to thicken while you make the salad.
  2.   Prepare two medium bowls of iced water. Set aside.
  3.   Bring water to a boil in a large pot. Add 2 tablespoons of kosher salt.
  4.   Add the green beans and cook for about 5 minutes or until tender. Using a slotted spoon or tongs (as you need to use the boiling water for the potatoes and eggs next), transfer the beans to one of the iced water bowls to stop the cooking. Let them sit for about 5 minutes, then remove the beans and dry them with a kitchen towel. Set aside.
  5.   In the same boiling water, add the baby potatoes to the boiling water and boil until done but not mushy, for 12 to 15 minutes. Using a slotted spoon, transfer the potatoes from the water to a baking sheet to cool.
  6.   In the same boiling water, add the eggs and boil for 7 ½ to 8 minutes. Using a slotted spoon, remove the eggs and cool in the remaining ice water for a few seconds and take them out to peel. Cut the eggs into halves and set aside.
  7.   Using a spoon, gently smash the potatoes one by one. Put the smashed potatoes in a bowl and lightly toss them with three tablespoons of the chive dressing.
  8.   Toast the baguettes until they are crunchy to your preference. Scoop and hollow out the bready centers of each of the halves.
  9.   Assemble each sandwich by adding half a tin or more of tuna to the bottom halves and season with a little freshly ground pepper. Drizzle one tablespoon of the chive dressing over top. Top that with six French green beans, two or three slices of Roma tomatoes, dressed potatoes, olives, and 2 halves of a boiled egg. Add arugula and top with marinated onions. Close the sandwich with a gentle squeeze.
  10.   If you’re taking this sandwich to go, definitely wrap it in foil! It will help contain everything as it travels and while eating.
  11.   Enjoy!

Keywords: nicoise sandwich