Must try in Senegal

Poulet Yassa.

Name: Poulet Yassa (Senegalese Lemon and Onion Chicken)
Prep time: 25 min
Cook time: 55 min
Total time: 5 h 20 min
Yield: 4 servings
Cuisine: Senegal
Ingredients: 1.4 kg bone-in chicken thighs and drumsticks, skin on; 1 kg onions, sliced lengthways into thin wedges; 4 lemons, juiced (about 150 ml); 3 tbsp Dijon mustard; 4 cloves garlic, crushed; 3 tbsp groundnut oil; 1 tsp coarsely ground black pepper; 2 tsp fine salt; 2 tbsp groundnut oil, for searing; 2 bay leaves; 1 scotch bonnet, left whole; 250 ml chicken stock or water; 60 g green olives, pitted; to taste extra lemon juice and salt

Senegalese Lemon and Onion Chicken

Yassa ginaar · say it: poo-LAY YAH-sah

Yassa is what happens when you take a kilo of onions seriously. Chicken sits overnight in lemon juice, Dijon mustard and sliced onions, comes out to be browned hard, and then goes back into the same onions as they cook down for the better part of an hour into a soft, tangy, faintly bitter sauce with no cream, no tomato and no thickener of any kind. The flavour is bright and pointed rather than rich — sour from the lemon, sharp from the mustard, sweet from the onions once they surrender. It is the easiest famous Senegalese dish to cook at home, and the hardest to stop eating.

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Senegalese Lemon and Onion Chicken

Gate: SenegalCasamance
Prep: 25 min
Cook: 55 min
Total time: 5 hr 20 min incl. 4 hr rest
Serves: 4
Status: Easy
Nutrition / serving · estimated: Calories 610 kcal; Protein 46 g; Carbs 24 g; Fat 36 g; Fiber 4 g; Sugar 12 g; Sodium 890 mg

Why this recipe works.

Uses the full traditional weight of onions, which is the single decision that separates real yassa from lemon chicken.
Sears the marinated chicken hard first, so the sauce gets browning flavour even without a charcoal grill.
Rebalances the lemon at the end, because the acidity fades during the braise and most recipes forget to correct it.
Works with thighs and drumsticks, which stay juicy through 40 minutes of braising in a way breast meat cannot.

Tips from our kitchen.

Slice the onions with the grain, from root to tip, rather than into rings. Lengthwise slices hold their shape through the braise instead of dissolving into a purée.
Marinate for at least 4 hours, ideally overnight, but not longer than about 18 — past that the lemon juice starts to make the surface of the chicken chalky.
Wipe the marinade off the chicken before it hits the pan. Wet, oniony skin steams grey; dry skin browns.
Keep the reserved marinade and add it back with the onions. It carries most of the mustard and lemon and there is no reason to throw that away.
Taste for balance right at the end and adjust with lemon juice, not salt. Long braising rounds off the acid, and yassa should still make you sit up.
A whole scotch bonnet dropped in unpierced gives fragrance without heat; anyone who wants the heat can burst it into their own portion at the table.

Substitutions.

Dijon mustard → Any smooth, sharp mustard, or 1 tbsp wholegrain plus a pinch of extra salt: Avoid sweet American-style mustard — the sugar throws the balance and the colour goes muddy.
Bone-in chicken thighs and drumsticks → A whole chicken cut into 8 pieces, or firm white fish steaks for yassa poisson: If you use fish, marinate for only 30 minutes and add it to the finished onion sauce for the last 10 minutes rather than braising it through.
Fresh lemons → 150 ml bottled lemon juice plus the zest of 1 lime: Bottled juice is flatter, so the lime zest puts back some of the perfume you lose.

Variations.

Yassa poisson: The coastal version, made with grilled fish steaks laid into the onion sauce at the end. Faster, lighter, and arguably the original.
Yassa with olives and carrot: A Dakar restaurant habit: green olives and carrot batons added with the onions, which sweetens the sauce and adds a briny note.
Grilled yassa: Cook the marinated chicken over charcoal until the skin blisters and chars in patches, then finish it in the onions. The smoke is the point and it is worth lighting the grill for.

Storage & reheating.

Yassa improves overnight — the onions keep softening and the mustard settles into the sauce. Refrigerate for up to 3 days in a sealed container and reheat in a covered pan over low heat with a splash of water, stirring once or twice. It also freezes well for 2 months, unusually for a braise, because there is no dairy to split; thaw fully in the fridge before reheating so the chicken does not go stringy.

Serve with

Plain white rice, ideally broken rice, with a spoonful of sauce ladled over each plate and a lemon wedge on the side.

The story behind Poulet Yassa.

Yassa belongs to Casamance, the green strip of southern Senegal separated from the rest of the country by Gambia, and it is usually traced to Jola cooking there before it spread north to Dakar and then across West Africa. Versions of it now turn up in Gambia, Guinea-Bissau, Mali and Ivory Coast, and in Senegalese restaurants abroad it is often the dish placed first on the menu because it travels so well — nothing in it is hard to source, and it tastes correct made with supermarket ingredients.

The mustard is the giveaway of history. Dijon arrived with the French and was folded straight into an existing method of souring meat with citrus before grilling, and nobody in Senegal treats it as foreign any more; a jar of moutarde sits in the door of the fridge next to the limes. Traditionally the marinated chicken is cooked over charcoal first, which is where the smoky edge in a really good yassa comes from, and only afterwards braised in the onions. A home oven grill or a hard sear in a dry pan gets you most of the way there, and the sauce covers a lot of the difference.

The ratio is what people get wrong. A restaurant yassa in Dakar uses something close to equal weights of onion and chicken, and the onions are not a garnish but the body of the dish — they melt down to roughly a third of their raw volume and become the sauce itself. Cooks who halve the onions because a kilo looks absurd end up with lemony chicken in thin liquid, which is a different and much sadder plate of food.

Questions, answered.

Do I really need a kilo of onions?

Yes. The onions cook down to roughly a third of their raw volume and become the sauce, so cutting the quantity leaves you with chicken sitting in thin lemon liquid rather than a braise. If a kilo feels like too much for four people, scale the whole recipe down rather than reducing the onions alone.

Can I make yassa without a grill?

Absolutely. Charcoal gives a smoky edge that is traditional and very good, but a hard sear in a heavy pan until the skin is deep brown, or 10 minutes under a hot oven grill, builds enough browning to carry the dish. The long braise in onions is doing most of the flavour work either way.

Why did my sauce turn bitter?

Two usual causes: onions caught and burned rather than browned, or lemon pith went into the marinade. Cook the onions over medium heat with a lid on at first so they sweat before they colour, and use only the juice, never chopped whole lemons, unless the recipe calls for preserved ones.

Is poulet yassa spicy?

Not usually. The heat comes from a single scotch bonnet left whole in the pot, which perfumes the sauce without releasing much capsaicin. Sourness and onion sweetness are meant to dominate. If you want real heat, pierce the chilli or chop half of one into the onions.

What is the difference between yassa and mafé?

They are the two best-known Senegalese braises and they sit at opposite ends of the flavour range. Yassa is sour and lean, built on lemon, mustard and onion with no thickener. Mafé is rich and sweet-savoury, built on groundnut paste and tomato with root vegetables. Both are ladled over rice, and most Senegalese households cook both regularly.

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