The instagrammer @CristinaFerrer has prepared a delicious Marmitako recipe in the shallow cocotte from the Diamond Series.

Marmitako, also known as tuna fish stew, comes from Asturias, Cantabria and the Basque country. It is a stew the main ingredients of which are tuna fish with potatoes, onion, pepper and tomato.

It is a perfect recipe to cook in a cast iron dish and serve in an earthenware dish.

It is very easy to prepare and the Influencer shows us how to cook it in a cast iron pan for a spectacular result.

This recipe has a low level of difficulty.

Prepare the ingredients you are going to need:

Ingredientes para la recera: 'Marmitako' - tuna fish stew recipe cooked with your Diamond shallow cocotte by @CristinaFerrer
Ingredients Quantity
Tuna fish 1 kg.
Potatoes 1 kg.
Green peppers 2
Onion 1
Wine 1/2 glass
Choricero pepper flesh 1 spoonful
Chopped tomato 3 spoonfuls
Fish stock 1 l.
Sweet paprika 1 spoonful
Extra virgin olive oil
Chopped fresh parsley
Cayenne pepper 1 (if you like a spicy touch)
Leaves 2 bay

The amounts specified correspond to approximately 4 servings.


  1. Chop the onion and peppers and sauté these ingredients in the shallow cocotte from the Diamond Series with extra virgin olive oil.
  2. While they are cooking, prepare and split the potatoes.
  3. When the onion is slightly browned, add the white wine and leave it over a low heat until the alcohol evaporates.
  4. Then, add the potatoes with a little paprika and salt.
  5. Add the fish stock, the choricero pepper flesh and the chopped tomato.
  6. Leave the ingredients to cook over a low heat, moving the cocotte now and then rather than stirring it in order to not break the potatoes.
  7. Add a little bay leaf.
  8. When the potatoes are ready, add the tuna fish. Turn the heat off and let the fish cook in the residual heat.
  9. Finally, when the dish is ready, add a little fresh chopped parsley.

As you can see, this marmitako is a dish that is very easy to prepare and that uses ingredients that we all have at home.

If you want to see this recipe prepared step by step, you can follow it on the video. We hope you enjoy the recipe.