Rieska – Finnish Potato Flatbread

Rieska, a traditional Finnish flatbread, is a deliciously simple bread made with mashed potatoes and whole-grain flour. Soft, tender, and ready in just 15 minutes, it’s perfect for pairing with butter, smoked salmon, or fresh herbs.

Back in Finland, one of my favorite things to have is my granny’s “Rieska“, which is a Finnish flat bread traditionally made with oat, barley or potato. My granny would bake the bread in her giant wood-fired oven and it was the best thing to have with ‘gravlax’ (salt cured salmon).

In Australia, where I now live, I make this simple version of Rieska, which is so easy and quick to make but takes me right back to Finland. Served with smoked or cured salmon and fresh dill – it is simply delicious.


Rieska 101 – Basic Tips


1. Cooling the Mashed Potatoes:

Ensure the mashed potatoes are cooled completely before mixing to prevent the dough from becoming too sticky. Leftover mashed potatoes work beautifully for this recipe.

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2. Choosing the Right Flour:

Whole spelt or barley flour gives Rieska its authentic flavor and texture. You can substitute all-purpose flour if needed, but it will result in a milder taste.


3. Shaping Tips:

Keep your hands lightly dusted with flour when flattening the dough. Aim for a uniform thickness to ensure even baking.


4. Baking Notes:

Rieska bakes quickly at a high temperature, so keep an eye on it to prevent over-browning. Pricking the dough with a fork not only helps release steam but also gives it a traditional look.


5. Serving Suggestions:

Top with butter, smoked or cured salmon, and dill for a Scandinavian-inspired treat. Alternatively, enjoy it with cream cheese, sliced cucumbers, or even as a side to hearty soups.



How to Make Rieska – Finnish Potato Flatbread


1. Preheat the Oven:

  • Preheat your oven to 425°F (220°C). Line a baking tray with parchment paper to prevent sticking.

2. Prepare the Dough:

  • In a large mixing bowl, combine the cooled mashed potatoes, whole spelt or barley flour, egg, and salt.
  • Mix thoroughly until the dough comes together into a slightly sticky consistency.

3. Divide and Shape the Dough:

  • Divide the dough into four equal portions.
  • Dust your fingers lightly with flour to prevent sticking, then flatten each portion into a round disk, approximately 1/4-inch (0.5 cm) thick, directly on the prepared baking tray.

4. Prick the Dough:

  • Use a fork to prick the surface of each flatbread. This helps to prevent bubbling during baking and creates the signature texture.

5. Bake the Flatbread:

  • Place the baking tray in the preheated oven and bake for 15 minutes, or until the edges are golden and slightly crisp.

6. Serve:

  • Serve the flatbreads warm, topped with butter, smoked or cured salmon, and fresh dill.

Recipe Notes:

  • Mashed Potatoes Tip: Use plain mashed potatoes without added butter or milk for best results.
  • Texture Adjustment: If the dough feels too sticky, add a small amount of flour, one tablespoon at a time, until manageable.
  • Storage: Store leftover flatbreads in an airtight container for up to 2 days. Reheat in a toaster or oven to restore their softness.

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Rieska – Finnish Potato Flat Bread


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4.9 from 15 reviews

  • Author: Maria Laitinen
  • Total Time: 25 minutes
  • Yield: Serves 4
  • Diet: Omnivore

Description

Simple Finnish flatbread made with mashed potatoes and whole-grain flour. Soft, tender, and ready in minutes!


Ingredients

Units Scale
  • 1 1/2 cups (300 g) mashed potatoes
  • 3/4 cups (100 g) whole spelt flour
  • 1 large free-range egg
  • Pinch of salt

Instructions

  1. Preheat your oven to 425°F (220°C). Line a baking tray with parchment paper to prevent sticking.
  2. For the Dough: In a large mixing bowl, combine the cooled mashed potatoes, whole spelt or barley flour, egg, and salt. Mix thoroughly until the dough comes together into a slightly sticky consistency.
  3. Divide the dough into four equal portions. Dust your fingers lightly with flour to prevent sticking, then flatten each portion into a round disk, approximately 1/4-inch (0.5 cm) thick, directly on the prepared baking tray.
  4. Use a fork to prick the surface of each flatbread. This helps to prevent bubbling during baking and creates the signature texture.
  5. Place the baking tray in the preheated oven and bake for 15 minutes, or until the edges are golden and slightly crisp.
  6. Serve the flatbreads warm, topped with butter, smoked or cured salmon, and fresh dill.

Notes

  • For a softer texture, add 1-2 tablespoons of milk to the dough.
  • Whole wheat flour can be substituted for spelt flour for a nuttier flavor.
  • Store leftover rieska in an airtight container at room temperature for up to 2 days.
  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Category: Baking
  • Method: Baking
  • Cuisine: Finnish

Nutrition

  • Serving Size: 1 flatbread
  • Calories: 200
  • Sugar: 2
  • Sodium: 150
  • Fat: 8
  • Saturated Fat: 2
  • Unsaturated Fat: 5
  • Trans Fat: 0g
  • Carbohydrates: 30
  • Fiber: 3
  • Protein: 5
  • Cholesterol: 50

Frequently Asked Questions

Why is it important to cool the mashed potatoes before mixing them into the dough?

Cooling the mashed potatoes completely prevents the dough from becoming too sticky, which can make it difficult to shape the Rieska properly.

Can I use all-purpose flour instead of whole spelt or barley flour, and how will it affect the recipe?

You can substitute all-purpose flour, but it will result in a milder flavor and a different texture compared to using whole spelt or barley flour.

What is the purpose of pricking the dough with a fork before baking?

Pricking the dough helps release steam during baking and gives the Rieska its traditional appearance.

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View Comments (26) View Comments (26)
  1. I’ve made this many times. I freeze the pieces with baking paper between them. They defrost nicely and are just like freshly baked when toasted. My Finnish husband has always been a fan of the perunarieska, but I wasn’t until I made my own. Thank you again for sharing the recipe.

  2. That looks perfect! My dh loves rieska. Could it really be that easy? Varhaisperunat are still available. I’ll bet he’d love it made with those.

  3. I’m so glad I found you on this site. I tried your potato flat bread last night but wasn’t sure of the measurements. It turned out to be quite soft and didn’t look at all like it does in the picture but the flavour was really nice. I’m going to try it again. Thanks you so much.

  4. I tried this with gluten free flour + it worked a treat. We enjoyed it with duck pate + fig compote! A lovely treat + great to find an alternative to yeasted bread. A

  5. I will have to try this. it looks like fun. It’s probably weird, but I have a tendency to have trouble using up potatoes (maybe I should just buy fewer). Have you ever used leftover mashed potatoes (to which milk/cream/butter etc has been added) and if so how does that affect things in comparison with using just a potato that you’ve mashed up?

    1. Hey Sara!

      Well there’s no harm trying ;-) I think you could give it a go with the same ratio, it shouldn’t make much difference, just add to the flavour ;-) Good luck and let me know how you go!

      Maria
      x

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