10-minute fish blanquette set to dethrone the classic

When cold weather calls for comfort food, a slow-simmered stew answers the call. This twist on a French classic replaces veal with fresh fish for a lighter, sea-kissed blanquette. The result is creamy, aromatic, and perfect with rice or new potatoes. Read on to cook a homey fish blanquette that tastes like a cozy bistro dish.

What you need: ingredients for a fish blanquette

• 2 onions, thinly sliced
• 3 carrots, sliced into rounds
• 1 white leek, cleaned and sliced
• 1 cod loin (dos de cabillaud)
• 2 salmon fillets, or other firm fish
• Salt and black pepper
• Fresh or dried thyme
• 2 bay leaves
• Fresh dill, chopped
• 500 ml water (for simmering the vegetables)
• 50 g butter
• 50 g all-purpose flour
• 400 ml milk
• 100 ml heavy cream
• Olive oil for searing

Step-by-step: building the dish

1. Cook the carrots and capture the broth

1. Bring 500 ml water to a boil. Add carrot rounds and simmer for 10 minutes.
2. Drain the carrots and keep the cooking liquid. Reduce it until about half remains.

2. Gently sweat the aromatics

3. Melt a knob of butter in a large pot. Add sliced onions and cook until translucent.
4. Add the cooked carrots and leek slices. Pour in half of the reserved vegetable broth.
5. Season with salt, pepper, bay leaves and a few thyme sprigs. Let it simmer for 10 minutes on low heat.

3. Quickly sear the fish

6. Heat a splash of olive oil in a pan. Season fish cubes with salt and pepper.
7. Sear the fish briefly on each side to seal in flavor. Remove and set aside.

4. Make the creamy white sauce (roux)

8. In a saucepan, melt 50 g butter. Stir in 50 g flour and cook for about one minute.
9. Whisk in the remaining reduced vegetable broth. Stir until the sauce thickens.
10. Gradually pour in milk while whisking to keep the sauce smooth. Cook until it coats the spoon.
11. Blend in 100 ml cream, a pinch of salt, pepper, and a touch of chopped dill.
12. A velvety, lump-free sauce is essential for a classic blanquette texture.

5. Combine and finish gently

13. Return the vegetables and seared fish to the pot. Pour the white sauce over them.
14. Stir carefully to avoid breaking the fish pieces.
15. Simmer on low for 8–10 minutes so flavors meld and fish finishes cooking.
16. Taste and adjust seasoning before serving.

Chef’s notes: tips, serving ideas, and variations

• Serve hot with steamed rice, boiled new potatoes, or crusty bread.
• Swap salmon and cod for monkfish or halibut if desired. Use firm, meaty fillets.
• For a lighter sauce, replace half the cream with extra milk.
• To deepen flavor, add a splash of white wine to the vegetables before the broth.
• Leftovers keep well in the fridge for 48 hours. Reheat gently to avoid drying the fish.
• Garnish with fresh dill or parsley just before serving for brightness.

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Sienna Blake

Sienna curates soulful lifestyle content with a focus on intentional living, slow habits, and modern creativity. Her voice blends beauty, function, and joy.