Finnish Salt Poached Cod with Butter Egg Sauce Recipe

When it comes to cooking, salt often plays a great supporting role, but it’s rarely the star of the show.

Its ability to enhance and alter flavours by decreasing bitterness while increasing perceptions of sweetness or sourness means that even when you can’t taste it, the food you’re eating is better because salt is there.

But when Windor Salt wanted to celebrate the release of a fresh new logo and packaging design for its products with some tasty recipes, I thought it was high time that salt took a starring role in a dish!

With light summer flavours a favourite right now, seafood is always a top pick for dinner. And as it happens, one of my favourite seafood dishes is one that uses salt poaching to enhance the flavour and texture of the fish.

Salt Poached Cod with Butter Egg Sauce is a Finnish recipe that might sound like an unusual combination at first. But the flavours blend together in a way that is completely magical.

Salt Poached Cod with Butter Egg Sauce

This slightly updated variation of an old Finnish recipe that my mother, who was born in Finland, cooked for the family when I was young, shows just how tasty food can be when salt is the star!

The highlight of this dish for me has always been the rich egg sauce that’s served over the fish. I usually serve it over mashed potatoes for a side dish as a unique alternative to gravy.

Whisking the hot brine into the melted butter gives the sauce just the right texture and a great salty flavour that’s almost addicting. And even though it has a gourmet taste, it only takes about thirty minutes to make!

I chose Windsor Table Salt for this Finnish recipe because I find it easier to get the exact level of saltiness I want in my dish with its finer, smaller grains.

Cod with Butter Egg Sauce finnish recipe

And the iodine that’s added to all table salt in Canada ensures that my body can properly synthesize the hormones from my thyroid gland, which can help improve metabolism, energy and overall well-being!

Want to try some other great recipes using Windsor Table Salt? Make sure to check out the company’s website for some fun and delicious food ideas, from meat to pickles to desserts!

Looking for other tasty fish recipes? This three-ingredient Maple Mustard Salmon is so quick to make and always a favourite!

Cod with Butter Egg Sauce

Salt Poached Cod with Butter Egg Sauce

Yield: 4
Prep Time: 15 minutes
Cook Time: 10 minutes
Total Time: 25 minutes

A light yet decadent main course that uses salt poaching to create a meaty, flavourful seafood dish.


  • 4 boneless cod fillets, or other firm whitefish
  • 2 tbsp. Windsor Table Salt
  • 1/2 cup butter, melted
  • 2 hard-boiled eggs, chopped
  • 1 tbsp. chopped fresh parsley, or 1 tsp. dried parsley


  1. Fill large skillet with approximately one inch of water. Add salt and bring just to a boil.
  2. Add fish and reduce heat to a simmer. Poach for 5-10 minutes, flipping halfway through cooking time, until fish flakes easily with a fork.
  3. Remove fish to paper towel-lined plate to drain.
  4. Meanwhile, combine melted butter, chopped eggs and parsley. Whisk in 1/4 cup of the salt water used to poach fish.
  5. Serve fish hot topped with sauce. Extra sauce can be served over rice or mashed potatoes as a side dish.
Nutrition Information:
Yield: 4 Serving Size: 1 grams
Amount Per Serving: Unsaturated Fat: 0g

mommy kat and kids rp2

48 thoughts on “Finnish Salt Poached Cod with Butter Egg Sauce Recipe”

  1. I remember having Windsor salt in our home when I was growing up, I think it’s the only salt my parents used. My family isn’t too fond of fish, hopefully if I tried your recipe, they’d eat it.

  2. Wow! Looks good, is there any other salt but Windsor, all I used and my mom as far back as I remember.

  3. Shirley OFlynn

    Wow, this looks amazing. I will have to give this recipe a try. We have been using Windsor salt for as long as I can remember. It is our go to brand for salt.

  4. Rosanne Robinson

    This recipe sounds really yummy, I’m always looking for new ways to cook fish and looking forward to trying it. We’ve been using Windsor Salt for many years, it looks like they’ve introduced a lot of new products in the pic above, will have to check them out!

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