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Yassa Fish

Published on Jul 11, 2024. Updated on Jun 2, 2026. By Tayo. This post may contain affiliate links. See Disclosure. Leave a Comment

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Yassa Fish Pinterest

Yassa fish is a delectable West African-inspired dish that combines succulent white fish, aromatic spices, and zesty lemon for a super tasty weeknight dinner. It's full of phenomenal flavor and will become a new family favorite!

Yassa Fish on a pot

❤️ Why you'll love it

Yassa Fish, also known as Poisson Yassa or Fish Yassa, originates from Senegal in West Africa. In Wolof, a language spoken in Senegal, it means "cooking with onions" or "onion sauce," which perfectly describes the dish's main ingredients.

The fish is marinated in a sauce made from olive oil, mustard, lemon juice, and a variety of spices and aromatics. As one of the best African food recipes, this tangy sauce will leave you wanting more every time. This mustardy fish dish will tantalize your taste buds without compromising your dietary goals!

🥘 Equipment Used

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To make your own Yassa fish, you'll need a large bowl, a large sauce pan or Dutch oven, and basic cooking tools. 

🧾 Ingredients Used

White fish, Djon mustard, onion, garlic
  • White fish: Whether it's cod, haddock, or tilapia, white fish is the heart of this savory dish, known for its mild flavor and delicate, flaky texture. I used flounder fillets but you can use any white fish.
  • Olive oil: Olive oil adds a healthy dose of fats and contributes a rich, fruity flavor to this African fish recipe.
  • Aromatics: Onions and garlic cloves are the aromatic foundation of Yassa Fish, infusing the dish with layers of complex flavors. Large onions, when caramelized, lend sweetness and depth, while garlic adds a pungent and savory note. 
  • Dijon mustard: This brings a tangy and slightly spicy kick to the Yassa Fish marinade, the secret ingredient that takes it over the top.
  • Lemon juice: This adds a refreshing and zesty brightness to this seafood dish. The natural acidity balances the richness of the other ingredients.
  • Spices: I use smoked paprika, cayenne pepper, bouillon powder, salt, and black pepper. You can also use your favorite spices for this recipe.

🔪 How To Make This Recipe

Steps on how to make a Yassa fish 1
  1. In a large bowl, place the white fish, garlic cloves, onions, lemon juice, Dijon mustard, smoked paprika, cayenne pepper, bouillon powder, and salt. 
  2. Mix everything together and place the bowl in the fridge to marinate for 1 hour.
  3. After marinating, remove the fish from the mixture and scrape off the onions, but don't discard the marinade.
  4. Heat olive oil in a skillet or large Dutch oven over medium-high heat. Place the fish in the hot oil and fry for 4-5 minutes on both sides until the fish turns beautifully crispy.
  5. Add the onions and pour in the remaining marinade. Cook the onions on low to medium-low heat for about 5 minutes until they become sweet and caramelized.
  6. Add about half cup of water and scrape up the brown bits from the bottom of the pan. Bring the mixture to a boil at medium heat and let it simmer for about 5 minutes. Taste for salt and adjust if needed.
  7. Finally, gently add the fried fish back to the pan with the sweet caramelized onions. Let them simmer together for 5-10 minutes, letting the flavors meld and intensify.
Steps on how to make a Yassa fish 2

🥫 Storing and Reheating

To store Yassa Fish, place it in an airtight container in the fridge. When reheating, gently warm it on the stove or in the microwave until heated through.

You can also freeze leftovers in a freezer-safe container for several months. Thaw overnight in the fridge and reheat following the instructions above.

💭 Tips and Variations

  • Add heat: If you prefer your Yassa Fish to be spicier, increase the cayenne pepper or add some hot sauce to the marinade.
  • Fish variations: Experiment with different types of white fish, such as cod, haddock, or tilapia, to discover your favorite Yassa Fish variation.
  • Make it with chicken: Because this dish is a variation of this chicken yassa recipe, feel free to substitute the fish if you aren't a seafood lover or if you don't have any white fish on hand.
  • Lemon zest: Add some lemon zest to the marinade before cooking for an extra burst of citrusy flavor.
  • Herb infusion: Elevate the dish by incorporating fresh herbs like thyme or parsley for a fragrant twist.
  • Grill the fish: While this recipe is fantastic with fried fish, feel free to grill the fish for a smokier flavor.
  • Marinate the fish even longer: The longer this sauce blends together, the tastier it will be.
Yassa Fish on a pot

🍽️ What can I eat this recipe with?

This Senegalese dish pairs wonderfully with cauliflower rice, a low-carb substitute for traditional white rice that will soak up the flavorful sauce beautifully. It's also wonderful with steamed or roasted vegetables, like broccoli, asparagus, or green beans.

For a summery flavor, try pairing it with this keto-friendly coleslaw or Kenyan kachumbari made with tomatoes and onions.

👩‍🍳 Frequently asked questions

Where did Yassa come from?

Yassa is a popular dish from West Africa, particularly Senegal. Although it is traditionally from southern Senegal, you can enjoy it across West Africa and beyond. You can also follow this same cooking technique with other types of meat like lamb or other fish.

What is Yassa made of?

Yassa typically consists of marinated and grilled or fried chicken or fish, cooked with onions and a zesty lemon-mustard sauce.

What does Yassa mean in Wolof?

"Yassa" in Wolof, a language spoken in Senegal, means "cooking with onions" or "onion sauce," which describes one of the key ingredients in this sauce. 

📚 Related Recipes

Check out these other delicious recipes!

Poulet Yassa - Senegalese Chicken

Air Fryer Salmon Recipe

Isiewu - Spicy Goat Head

Nkwobi - Spicy Cow Foot

Instant Pot Fish

Ethiopian Beef Tibs

Yassa Fish on a pot with a wooden spoon

📖 Recipe

Freshly cooked Yassa fish

Yassa Fish

Yassa fish is a delectable West African-inspired dish that combines succulent white fish, aromatic spices, and zesty lemon for a super tasty weeknight dinner. It's full of phenomenal flavor and will become a new family favorite!
5 from 1 vote
Print Pin SaveSaved!
Course: Main Course
Cuisine: African
Diet: Gluten Free
Prep Time: 5 minutes minutes
Cook Time: 30 minutes minutes
Marinate: 1 hour hour
Total Time: 1 hour hour 35 minutes minutes
Servings: 4
Calories: 303kcal
Author: Tayo Oredola

Equipment

  • 1 large skillet or dutch oven
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Ingredients

  • 4 fillet white fish about 1.5 lbs
  • ¼ cup olive oil
  • 2 large onions thinly sliced
  • 3 cloves garlic minced
  • 2 tablespoon dijon mustard
  • ¼ cup lemon juice
  • 1 teaspoon smoked paprika
  • ½ teaspoon cayenne pepper
  • 1 teaspoon bouillon powder
  • ½ teaspoon salt or to taste

Instructions

  • In a large bowl, place the garlic cloves, onions, lemon juice, Dijon mustard, smoked paprika, cayenne pepper, bouillon powder, and salt.
    2 large onions, 3 cloves garlic, 2 tablespoon dijon mustard, ¼ cup lemon juice, 1 teaspoon smoked paprika, ½ teaspoon cayenne pepper, 1 teaspoon bouillon powder, ½ teaspoon salt
  • Add the white fish to the bowl, then gently mix together.
    4 fillet white fish
  • Place the bowl in the fridge to marinate for 1 hour.
  • After marinating, remove the fish from the mixture and scrape off the onions, but don't discard the marinade.
  • Heat olive oil in a skillet or large Dutch oven over medium-high heat.
    ¼ cup olive oil
  • Place the fish in the hot oil and fry for 4-5 minutes on both sides until the fish turns beautifully crispy. Turn the fish gently so it does not break.
  • Gently remove the fish from the pan and set aside. Then, add the onions and pour in the remaining marinade.
  • Cook the onions on low to medium-low heat for about 5 minutes until they become sweet and caramelized.
  • Add ½ cup of water and scrape up the brown bits from the bottom of the pan.
  • Bring the mixture to a boil at medium heat and let it simmer for about 5 minutes.
  • Taste for salt and adjust if needed.
  • Finally, add the fried fish back to the pan with the sweet caramelized onions.
  • Let them simmer together on low heat for 5-10 minutes, letting the flavors meld and intensify.
  • Add a little more water to the sauce if you need to.

Notes

  • Add heat: If you prefer your Yassa Fish to be spicier, increase the cayenne pepper or add some hot sauce to the marinade.
  • Fish variations: Experiment with different types of white fish, such as cod, haddock, or tilapia, to discover your favorite Yassa Fish variation.
  • Make it with chicken: Because this dish is a variation of this chicken yassa recipe, feel free to substitute the fish if you aren't a seafood lover or if you don't have any white fish on hand.

Nutrition

Calories: 303kcal | Carbohydrates: 4g | Protein: 35g | Fat: 17g | Saturated Fat: 3g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 11g | Cholesterol: 85mg | Sodium: 593mg | Potassium: 563mg | Fiber: 1g | Sugar: 1g | Vitamin A: 253IU | Vitamin C: 7mg | Calcium: 28mg | Iron: 1mg
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Tayo Oredola
Tayo Oredola

Tayo Oredola is the founder of Low Carb Africa, where she shares healthy, low carb dishes with global flavors. She is passionate about teaching people how to cook drool-worthy dishes while losing weight and living their best lives. Tayo’s recipes have been featured on MSN, Women’s Health, Parade, Yahoo News, Pure Wow, Essence, and other online publications.

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