National Dish Mauritania: Sauce Kaldou (Recipe)

In this article
Sauce Kaldou is the coastal cooking of Mauritania in one pan: fresh fish braised gently in a sharp sauce of lemon, tomato, garlic and parsley until it flakes. The Atlantic off Nouadhibou is among the richest fishing grounds in the world, and this dish exists to show off what comes out of it without getting in the way.
About Sauce Kaldou
Sauce Kaldou is Mauritania’s aromatic fish-and-lemon sauce. Fresh fish is braised gently in a spiced sauce of lemon, tomatoes, garlic and parsley until the flavours merge. Classically served with rice, it captures West African coastal cooking perfectly, bright, sharp and built entirely around the quality of the fish. It is shared with neighbouring Senegal, where it appears under the same name.
Ingredients (serves 1–2)
- 300 g fish fillet (grouper, hake or cod)
- 1 lemon, juice and a little zest
- 2 tomatoes, diced
- 1 onion, finely chopped
- 2 garlic cloves, chopped
- 1 small green chilli
- 2 tablespoons parsley, chopped
- 2 tablespoons vegetable oil
- Salt and pepper, to taste
- Rice, to serve
Shopping for the ingredients
Firm white fish holds together during braising, grouper is the traditional choice, but hake, cod or pollock all work. Buy it as fresh as possible, since the lemon sauce hides nothing. Use an unwaxed lemon, as the zest goes into the sauce.
Preparing the dish
Season the fish with lemon juice and salt and set it aside for fifteen minutes. Chop the vegetables fairly finely so they soften quickly into a sauce. Cook the rice in advance, since the fish takes only minutes and should go straight from pan to plate.
Step-by-step instructions
- Season the fish with half the lemon juice, salt and pepper; leave 15 minutes.
- Heat the oil and soften the onion for 4 minutes.
- Add the garlic, chilli and diced tomatoes and cook until saucy, about 8 minutes.
- Stir in the remaining lemon juice, the zest and a splash of water.
- Lower the fish into the sauce and spoon some over the top.
- Cover and simmer gently for 8–10 minutes, until the fish flakes.
- Scatter with parsley and serve with rice.
Gluten-free / lactose-free version
Sauce Kaldou is naturally free from both gluten and lactose. Served with plain rice, the entire dish is suitable for both intolerances without any change whatsoever.
Tips for vegans and vegetarians
The lemon-tomato sauce works beautifully with vegetables: cauliflower florets, chunks of aubergine or a tin of white beans all take to it, added earlier so they cook through. A few capers or olives supply some of the briny quality the fish would have contributed.
More tips and tricks
Do not stir once the fish is in, spoon sauce over it instead, or it will fall apart. Balance the lemon carefully: the sauce should be bright and sharp, not sour. And keep the simmer gentle, since fish toughens the moment it boils.
Adapting the recipe to your taste
Some cooks add diced potato or carrot to make the dish more substantial. A spoonful of mustard is a Senegalese touch that works well. Fresh coriander instead of parsley shifts the flavour noticeably, and more chilli is entirely welcome.
Ingredient substitutions
Any firm white fish substitutes directly. Lime works in place of lemon. Tinned tomatoes replace fresh year-round, and a pinch of sugar balances them if they are acidic.
Drink pairing ideas
Bissap (hibiscus juice) or ginger juice are the standard West African accompaniments and suit the lemon sharpness well. Mint tea follows the meal. Sparkling water with lime is the simplest option.
Serving and presentation ideas
Serve sauce kaldou over rice with plenty of sauce spooned around, and extra lemon wedges on the side. A scattering of parsley and a few slices of raw onion on top is the usual finish. It is served communally from one dish in Mauritania, which suits it well.
A bit of history
Mauritania’s Atlantic coast holds some of the most productive fishing waters anywhere, and the country’s coastal cooking reflects that abundance. Sauce Kaldou is shared with Senegal, where the Wolof name is the same, and it belongs to a family of West African fish dishes built on tomato, onion and citrus. It offers a genuine window onto Mauritanian cuisine.
More recipe ideas
Summary: Sauce Kaldou
Sauce Kaldou is fish braised in a lemon, tomato and parsley sauce, twenty minutes of cooking and nothing to hide behind. Build the sauce, lower the fish in gently, and serve it over rice with extra lemon.



