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Home » Main Dishes » Sea bass with spinach, sesame and soy sauce

Sea bass with spinach, sesame and soy sauce

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Moist and flavourful sea bass with garlic, sesame and soy sauce, on a bed of delicious spinach. A quick and easy one dish dinner the family will love.

Pesach (Passover) is getting closer, and the freezer-emptying effort has been stepped up. This recipe was created to finish off the frozen sea bass fillets lurking in one of the drawers! Now I just have the frozen salmon and hake backlog to deal with…

Close up image of a hand opening a freezer to show the frosty drawers within.

Having defrosted the sea bass fillets, I had to work out how we were going to cook them. There was a big bag of spinach in my organic veg box, so that was a good start. A quick cupboard raid later, and this delicious recipe was born. 

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  • Sea bass marinade – Prepare ahead, or not!
  • Ingredients in Sea bass with spinach, sesame and soy sauce
  • Disappearing spinach
  • Sea bass with spinach, sesame and soy
  • More delicious fish recipes

Sea bass marinade – Prepare ahead, or not!

I assembled everything up to the cooking stage, before going out for a couple of hours. Doing so meant that I could throw it in the oven upon my return and it would be cooked by the time I’d taken my coat off, set the table, and generally pulled myself together.

The sea bass marinated in the flavours of the sesame oil, garlic and soy sauce for a couple of hours before cooking, and the end result was moist and flavourful fish. However, having experimented with the rate of diffusion of soy sauce through food, I’m pretty confident in saying that two hours probably don’t make much difference. So if you want to make this and then shove it straight in the oven without waiting, I expect it would be completely fine!

Ingredients in Sea bass with spinach, sesame and soy sauce

This delicious dinner has only a handful of ingredients and is super easy to make. To enjoy it yourself, you will need:

  • Sea bass fillets – of course! Choose firm, medium sized fish fillets for best results.
  • Olive oil – to grease the baking dish
  • Fresh spinach – make sure you have plenty, it disappears! (see below)
  • Garlic – yum!
  • Toasted sesame oil – for a rich and unique flavour
  • Tamari or soy sauce
Ingredients in sea bass with spinach, sesame and soy: Sea bass fillets, fresh spinach leaves, olive oil, toasted sesame oil, garlic, soy sauce.

Disappearing spinach

The spinach looked like a lot pre-cooking, but as always with spinach, it almost disappeared once the dish was cooked. My daughter Kipper was initially reluctant to eat the spinach, but once she’d tried it and realised that it tasted of delicious garlicky soy sauce and sesame oil, she scoffed it down. And nearly a whole sea bass fillet, too. 

sea bass with spinach, sesame oil and soy sauce.

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📖 Recipe

Sea bass with spinach, sesame and soy - after cooking

Sea bass with spinach, sesame and soy

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Moist and flavourful sea bass with garlic, sesame and soy sauce, on a bed of delicious spinach. A quick and easy one dish dinner.
5 from 1 vote
Print Recipe Pin Recipe Save Saved!
Prep Time 15 minutes mins
Cook Time 20 minutes mins
Total Time 35 minutes mins
Course Main Course
Cuisine Asian
Servings 4
Calories 282 kcal

Ingredients
 
 

  • 1-2 tablespoon olive oil
  • 250-400 g spinach leaves (large bag)
  • 1 clove garlic
  • 1½ tablespoon toasted sesame oil
  • 1½ tablespoon tamari or soy sauce
  • 4 sea bass fillets (approx 85g each)

Instructions
 

  • 1-2 tablespoon olive oil
    Preheat the oven to 180°C (350°F). Brush the inside of a large baking dish with the olive oil.
  • 250-400 g (8⅚-14 oz) spinach leaves
    Wash the spinach and shred the leaves if large. Place in the oiled dish.
  • 1 clove garlic, 1½ tablespoon toasted sesame oil, 1½ tablespoon tamari or soy sauce, 4 sea bass fillets
    Peel and crush the garlic clove, and whisk with the sesame oil and soy sauce. Wash and pat dry the sea bass fillets and brush with the garlic/sesame/soy mixture.
  • Pour any remaining garlic/sesame/soy mixture over the shredded spinach and mix in.
  • Place the fish fillets on top of the spinach, and cover with foil.
  • Bake at 180°C (350°F) for around 20 minutes, until the spinach is wilted and the fish is cooked through.
  • Serve the fish on a bed of spinach. Enjoy!

Nutrition

Nutrition Facts
Sea bass with spinach, sesame and soy
Amount per Serving
Calories
282
% Daily Value*
Fat
 
15
g
23
%
Saturated Fat
 
2
g
13
%
Polyunsaturated Fat
 
4
g
Monounsaturated Fat
 
7
g
Cholesterol
 
136
mg
45
%
Sodium
 
559
mg
24
%
Potassium
 
906
mg
26
%
Carbohydrates
 
4
g
1
%
Fiber
 
2
g
8
%
Sugar
 
0.5
g
1
%
Protein
 
33
g
66
%
Vitamin A
 
7772
IU
155
%
Vitamin C
 
23
mg
28
%
Calcium
 
109
mg
11
%
Iron
 
4
mg
22
%
* Percent Daily Values are based on a 2000 calorie diet.
Keyword fish, spinach
Tried this recipe?Let us know how it was!

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    Oven-baked cod with sun-dried tomato & herb crust
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    Grilled sea bass with sauce vierge
  • Whole sea bream with herbs and lemon.
    Baked sea bream with herbs and lemon
  • cod fillet with a garlic herb parmesan crust.
    Cod fillets with a garlic, herb & parmesan crust
sea bass with spinach, sesame oil and soy sauce.

As I mentioned here, March’s Four Seasons Food challenge, hosted by Delicieux and Eat Your Veg, is on the theme of Something Fishy. This is my fishy entry number 2!

More Main Dishes

  • A serving of vegan Moroccan stuffed aubergine on a white china plate, seen from above, garnished with a wedge of lemon, pine nuts and chopped fresh parsley.
    Moroccan Style Stuffed Aubergines – vegan
  • Overhead image of a dark coloured bowl of cold sesame noodles, topped with a generous amount of fresh coriander (cilantro), sliced spring onions (scallions) and a sprinkle of black and white sesame seeds, on a woven mat. Chopsticks are visible to the right of the bowl.
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Reader Interactions

Comments

  1. Deb

    September 29, 2025 at 5:19 pm

    5 stars
    Delicious recipe thankyou, I added orange n ginger glazed carrots as a side, defo recommend

    Reply
    • Helen

      September 30, 2025 at 12:53 pm

      Thanks Deb! Glad you enjoyed this and the combination with carrots sounds delicious!s

      Reply
  2. FFF

    April 01, 2014 at 9:24 pm

    Thanks! The #SomethingFishy event was lovely – full of brilliant ideas. We eat a lot of fish, so it’s great to get new inspiration 🙂

    Reply
  3. Eat Your Veg

    April 01, 2014 at 9:16 pm

    I wish my freezer was full of lots of lovely fish to use! LOVE sea bass and this is a fabulous recipe packed with flavour, even better that it can be prepped in advance. Thanks so much for linking up to this month’s Four Seasons Food #SomethingFishy event.

    Reply
5 from 1 vote

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I’m Helen, Jewish mum, flexitarian kosher cook, and food blogger, and I love to share meat-free, delicious recipes with a British Jewish twist. Take a look around and see what you can discover!

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