Miso Tuna Tartine

Posted on: November 10, 2022. Updated on: July 11, 2023.

by Carolina Gelen

This is one of my favorite recipes, the kind you go back to again because its just so good.  It’s versatile enough to be an appetizer or to have for a light dinner or lunch. It’s salty, crunchy, umami flavor combined with avocado make your stomach full but your mouth still wanting more. The recipe comes together in a short time  Just make sure you get the freshest, best quality fish you can. Also, if you’re not a fan of tuna, bass, or salmon work well too. Enjoy!

Miso Tuna Tartine

3.7 / 5. from 85

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3.7 / 5. from 85

Click to vote

Servings: 3 to 4
Prep: 15 minutes
Cook: 5 minutes

Ingredients

  • 1 medium sushi grade ahi tuna steak, cubed
  • 2 tablespoons miso paste, plus more as needed
  • A dollop of mayo
  • 1/4 teaspoon cayenne
  • Lemon zest
  • Lemon juice, to taste
  • 3 sourdough bread slices, cut into bite-sized squares
  • 2 to 3 ripe avocados
  • Extra-virgin olive oil
  • Salt, if needed
  • Optional toppings such as capers, pickled ginger, serrano peppers, cilantro or parsley and olive oil

Instructions

  1. Combine the miso, a drizzle of lemon juice, mayo, cayenne and a glug of olive oil. Whisk until smooth. Add the cubed tuna, taste and season more as needed.
  2. Fry each bread square on each side, in olive oil, for 1 1/2 to 2 minutes, until golden brown.
  3. Slice each avocado in half and remove the pit. Thinly slice the avocado, then flatten with your palm mentioning the same shape. Slice bread-sized squares of avocado using a knife. Place the avocado squares on the bite-size bread squares.
  4. Top each avocado with the miso tuna. Additionally, top with capers, a drizzle of olive oil, black pepper, cilantro or parsley, lemon zest, serrano peppers and pickled ginger, or any other toppings of choice.
  5. Serve right away

Carolina Gelen

You may have seen my work on TV, Food Network, NYT Cooking, Food52 and more. I make recipes more fun and accessible for home cooks. I immigrated to the US from Transylvania, Romania—where I lived most of my life—in 2021 to pursue my passion for cooking full-time. Here you’ll find a collection of approachable recipes, from weeknight dinners to desserts, you’ll come back to over and over again. Some of my most popular recipes include my chicken paprikash, orange chicken roast with fennel and shallots or butter beans all vodka. Some recipes are inspired by my Romanian-Hungarian upbringing, and most definitely all come with that Transylvanian resourcefulness! I love a good thrift, so make sure to catch my thrift hauls every Sunday on my Instagram!

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8 thoughts on "Miso Tuna Tartine"

  1. Melissa says:

    I need to see you cut the bread and prepare and slice avocado. This recipe is gorgeous.

  2. Angel Sn. says:

    So good very delicious 😋

  3. Ariel says:

    I’m all in. Where’s the full recipe?? Can’t wait to make this!

    1. Carolina says:

      sorry had website issues, just emailed you the recipe.

  4. El says:

    Hi Carolina – This recipe sounds really tasty, and it looks beautiful . . . but I’m a little confused about how to deal with the avocado! In step 3, the recipe says: “Thinly slice the avocado, then flatten with your palm mentioning the same shape.” The instagram video shows overlapping avocado slices, cut to fit the squares of bread. I agree with Melissa’s comment – I’m just not quite sure how to get from thinly sliced to squares of avocado slices fitting onto the bread!
    Thanks!!
    El

    1. Carolina Gelen says:

      I have a little tutorial here that will hopefully make the process clearer

  5. Kiersten Adney says:

    What type of bread did you use?

    1. Carolina Gelen says:

      Homemade sourdough