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Home Fish recipes

Killer Lemon Butter Sauce for Fish

By Nagi Maehashi
263 Comments
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Published4 Apr '18 Updated23 Jun '25
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This Lemon Butter Sauce for fish is outrageous – 3 minutes, 2 ingredients, totally restaurant worthy.

The secret is browned butter – calledΒ Beurre noisetteΒ in French. Learn how to pronounce it so you can loftily tell your family and friends β€œwe’re having French tonight!” (But don’t tell them how simple it is?)

Overhead photo of a crispy pan fried fish fillet drizzled with Lemon Butter Sauce and sprinkled with parsley. On a white plate.

Restaurant-style Lemon Butter Sauce for Fish!

Great quality fish is not cheap. But worthy of investment because:

  • it’s good for you;

  • a beautiful piece of fish requires very little done to it to make a meal that you’d pay serious $ for at a fancy seafood restaurant; and

  • they’re quick to cook.

And so I present to you, your new favourite posh-yet-easy-and-super-quick way with fish: Pan fried until golden then drizzled with a 3 minute Lemon Butter Sauce that you’re going to go nuts over.

Close up photo of Crispy Pan Fried Fish with Lemon Butter Sauce and a sprinkle of parsley on a white plate.

The Lemon Butter Sauce

The Lemon Butter Sauce is just made with butter and lemon.Β But it’s not β€œjust” butter and lemon.

It’sΒ brown butter and lemon.

If you’re new to brown butter, this is going to change your world – it’s addictive. Brown butter is everything you love about melted butter, boosted with an incredible nutty, toasty aroma.

The French call itΒ Beurre noisette.Β The literal translation is β€œhazelnut butter”, and even though hazelnuts don’t come into the equation at all, we get it. πŸ™‚

Brown butter in a small silver skillet with a spoon.

How to make Lemon Butter Sauce

3 minutes, 3 steps, 2 ingredients:

  • Melt butter;

  • Leave until the butter turnsΒ brown and the smell suddenly changes and becomes nutty – about 3 minutes;

  • Stir through lemon juice.

The recipe video is helpful if you’re a first timer to browned butter – especially the pre and post comparison.

Brown Butter in a small glass bowl with a teaspoon scooping some up.

Quick Tips

While brown butter is simple to make, if it’s on too high a heat, it can go from nutty perfection to burnt in seconds. So here are a few quick tips:

  • Use a silver based small skillet or pot so you can see when the butter changes colour;

  • Make the Lemon Butter Sauce before the fish so you can concentrate on getting it right. It stays warm for up to 30 minutes – but if you are delayed and it solidifies, it only takes 10 seconds in the microwave to melt it back to its original state; and

  • Don’t try to make the Lemon Butter Sauce in the same skillet as the fish – the pan will be too large.

Fork cutting the end off the piece of a fillet of fish with Lemon Butter Sauce on a white plate.

Use sparingly – it’s rich!

And you don’t need much – this stuff is rich!Β The recipe makes slightly more than you need because running out of sauce in the middle of dinner is dismal, but in all honesty, my standard serving is 1 tablespoon of Sauce per fillet of fish.

It looks a lot browner in the bowl than it does when you drizzle it over the fish. Which is actually perfect – it’s a bright yellow Lemon colour once drizzled. πŸ™‚ If it was just plain melted butter, you wouldn’t have that same intense deep yellow colour that you see on the plate – nor would it pool on the plate like in the photo below.

Lemon Butter Sauce being poured over crispy pan fried fish on a white plate.

The fish fillet is pictured in this post withΒ the Kale and Quinoa Salad I published on Monday. πŸ™‚ Keeps forΒ daysΒ in the fridge, my friends! Don’t think of it as a trendy β€œhealth food” salad. It’s just a darn tastyΒ filling salad that just happens to star 2 superfoods. Tested and proven!

Here are a few more ideas for things to serve this fish with:

  • Mashed potato or mashed cauliflower (for a low carb option)

  • For a true indulgent restaurant experience, try Paris Mash – the richest, creamiest mashed potato in the world

  • Curried Basmati Rice – this aromatic pilaf would be terrific paired with the fresh fish flavour

  • A garden salad or leafy greens with French Vinaigrette or Italian Dressing

  • Broccoli Salad or Magic Broccoli (the best roasted broccoli ever!)

And more fish recipes!

  • Crispy Pan Fried Fish

  • Acqua Pazza (Italian-style poached fish)

  • Baked Fish with Lemon Cream Sauce

  • Crispy Skin Salmon

  • Brazilian Fish Stew

  • Honey Garlic SalmonΒ andΒ Lemon Honey Glazed Salmon – super quick!

  • Parmesan Crusted Salmon

  • Fish Pie!

  • See all Fish recipes

Hope you enjoy! – Nagi x

Overhead photo of a crispy pan fried fish fillet drizzled with Lemon Butter Sauce and sprinkled with parsley on a white plate with a side of Kale Quinoa Salad.

WATCH HOW TO MAKE IT

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Overhead photo of a crispy pan fried fish fillet drizzled with Lemon Butter Sauce and sprinkled with parsley. On a white plate.

Lemon Butter Sauce for Fish

Author: Nagi
Prep: 5 minutes mins
Cook: 10 minutes mins
Total: 15 minutes mins
5 from 113 votes
Servings2
Tap or hover to scale
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Recipe VIDEO above (helpful for pre-post browned butter). A Lemon Butter Sauce with Crispy Pan Fried Fish that would be perfectly at home in a posh restaurant, yet is so quick to make at home! Browning the butter gives the sauce a rich, nutty aroma which pairs beautifully with fresh lemon, as well as thickening the sauce and giving it a gorgeous golden colour.

Ingredients

Lemon Butter Sauce:

  • 60 g / 4 tbsp unsalted butter , cut into pieces
  • 1 tbsp fresh lemon juice
  • Salt and finely ground pepper

Crispy Pan Fried Fish:

  • 2 x thin white fish fillets (120-150g / 4-5oz each), skinless boneless (I used Bream, Note 1)
  • Salt and pepper
  • 2 tbsp white flour
  • 2 tbsp oil (I use canola)

Serving:

  • Lemon wedges
  • Finely chopped parsley, optional
Prevent screen from sleeping

Instructions

Lemon Butter Sauce (see video):

  • Place the butter in a light coloured saucepan or small skillet over medium heat.
  • Melt butter then leave on the stove, whisking / stirring very now and then. When the butter turns golden brown and it smells nutty – about 3 minutes, remove from stove immediately and pour into small bowl. (Note 2)
  • Add lemon juice and a pinch of salt and pepper. Stir then taste when it has cooled slightly. Adjust lemon/salt to taste.
  • Set aside – it will stay pourable for 20 – 30 minutes. See Note 3 for storing.

Crispy Pan Fried Fish:

  • Pat fish dry using paper towels. Sprinkle with salt & pepper, then flour. Use fingers to spread flour. Turn and repeat. Shake excess flour off well, slapping between hands if necessary.
  • Heat oil in a non stick skillet over high heat. When the oil is shimmering and there are faint wisps of smoke, add fish. Cook for 1 1/2 minutes until golden and crispy on the edges, then turn and cook the other side for 1 1/2 minutes (cook longer if you have thicker fillets).
  • Remove immediately onto serving plates. Drizzle each with about 1 tbsp of Sauce (avoid dark specks settled at the bottom of the bowl), garnish with parsley and serve with lemon on the side. Pictured in post with Kale and Quinoa Salad.

Recipe Notes:

1. I like using this sauce for thin fillets because I find you get the best sauce to flesh coverage, and also because thin fillets tend to mean less fish (the sea bream in the photos are only around 120g/4oz each) so you’re not having to pour over loads of Sauce (it is quite rich). I also love how the edges of thin fish fillets go nice and crispy!
Having said that though, this sauce is suitable for almost any white fish fillet, but I’d avoid rich, oily fish like salmon and mackerel.
FROZEN FISH is also fine – thaw thoroughly and pat very well with paper towels to remove excess water.
2. BROWNING BUTTER: At first, it will spit a bit (water in butter cooking out), then it will bubble, then it will foam. Little brown bits will start appearing on the base of the pan – THEN you will smell the nuttiness. Smell is the most important sign – when it smells amazing, take it right off!
3. Storing Brown Butter: You’ll only need around 1 tbsp of Sauce per serving – it’s very rich – but this recipe makes slightly more because it’s hard to make a smaller quantity. Use leftovers to jazz up vegetables, mashed potato, or even spread on toast! Β Refrigerate and use within 1 week, or freeze. To use as Sauce, microwave in 10 second increments.
4. GENERAL NOTE: If you’re an experienced cook, you can try your hand at making the sauce in the pan after cooking the fish. First wipe it clean (yes you lose pan flavour, but it’s nice to have a β€œclean” looking sauce), lower heat then make the sauce once the pan has cooled. I personally find it easier to make the Sauce first in a smaller pan – easier to control colour change. Also I like using my black non stick pan for the fish and you can’t see the colour of the butter in dark coloured pans.
5. Nutrition per serving, assuming 1 tbsp of Sauce (it’s a rich sauce, you don’t need much) and assuming 1/2 tbsp of oil is discarded after cooking the fish (my estimation by scraping out remaining oil). The fish weight seems small but it looks larger on the plate because I used a thin fillet (bream).Β 

Nutrition Information:

Serving: 157gCalories: 393cal (20%)
Did you make this recipe?I love hearing how you went with my recipes! Tag me on Instagram at @recipe_tin.

LIFE OF DOZERΒ 

3 hours ago: as usual, refusing to get out of the car knowing what lies ahead – a hose down.

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Hi, I'm Nagi!

I believe you can make great food with everyday ingredients even if you’re short on time and cost conscious. You just need to cook clever and get creative!

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263 Comments

  1. Janie says

    May 8, 2020 at 7:11 am

    5 stars
    Wow! Cooked fish fillets last night for dinner. I did not have a light colored pan for the butter/lemon sauce but I had a white spoon for stirring so I could see the color. This was amazing Nagi, and that’s coming from someone who’s use to tartar sauce growing up, well no more! Thank you so much!

    Reply
  2. Elby says

    May 1, 2020 at 7:55 pm

    5 stars
    I’ve made this 4 times and it is amazing. I never understood what people meant when they said β€˜nutty smell of butter’ but I now know. Thank you so much. This has revolutionised Friday fish and chips for us.

    Love your work.

    Reply
    • Nagi says

      May 2, 2020 at 12:02 pm

      It’s one of my favourite smells Elby… YUM! N x

      Reply
      • Jude says

        July 14, 2020 at 10:32 pm

        5 stars
        Hi Nagi – do you think this would work well with scallops? I bought a bunch but can’t decide how to prepare them and this sauce sounds delicious!

        Reply
  3. Teresa Eaton says

    April 10, 2020 at 5:29 am

    5 stars
    Made this for the first time tonight. Really is delicious and easy to make

    Reply
  4. viktoriya kingsman says

    April 10, 2020 at 1:05 am

    5 stars
    the sauce is the bomb, perfect with fish and a combination of mushy cauliflower from your website.
    Thank you Nagi:)

    Reply
  5. Blaithin McLoughlin says

    March 20, 2020 at 7:03 am

    I never leave comments on websites, but have to – this sauce is just so tasty, it’s like what you’d get in a French bistrot but without the hassle. 3 minutes, unheard of! Thank you so much I’ve shared with all my friends. You are a legend. We had with plaice steamed potatoes and tenderstem broccoli

    Reply
    • Alva says

      March 25, 2020 at 1:58 am

      What’s the recipe to the potatoes

      Reply
  6. Christine says

    March 7, 2020 at 10:05 am

    Would it be ok to use salted butter? I don’t have any unsalted in at the moment.

    Reply
    • Nagi says

      March 7, 2020 at 11:28 am

      Hi Christine, yes just reduce the salt in the recipe πŸ™‚ Enjoy!!

      Reply
  7. Amy says

    March 3, 2020 at 6:32 am

    Has anyone made this with Almond Flour or no flour at all…? Thinking for a low carb option…..

    Reply
    • Roberta Day says

      March 13, 2020 at 6:32 am

      yes ..we tried the almond flour and found it very good …will do it again …

      Reply
    • Nagi says

      March 3, 2020 at 4:09 pm

      Hi Amy, the flour creates a crispy kind of crust around the fish – you could totally skip this if you prefer. N x

      Reply
  8. Kathryn says

    February 2, 2020 at 9:50 pm

    This is soooo nice. The sauce is superb. When I was heating the butter I kept thinking how does nutty smells like(I am a noob when comes to cooking and get anxious and frantic when I don’t know how or when the food should turn out) but as per your notes, indeed I can smell the nutty fragrance. It goes Super well with the fish. Pan fried exactly as per your timing and turns out perfect. Thank you Nagi

    Reply
  9. Shirley Signorino says

    January 30, 2020 at 9:50 am

    5 stars
    Amazing!

    Reply
    • Nagi says

      January 30, 2020 at 2:43 pm

      Thanks so much Shirley! N x

      Reply
  10. DeDe says

    January 29, 2020 at 2:43 pm

    I am trying to eat more fish but I have trouble trying to determine when it is done. Any tips/suggestions?

    Reply
    • Nagi says

      January 29, 2020 at 6:00 pm

      Hi Dede, depends on the recipe/type of fish. You want to cook it until it’s just done at the thickest part, if not slightly under as it will continue to cook off the heat. N x

      Reply
  11. Carla says

    January 28, 2020 at 8:49 pm

    5 stars
    This was sooo delicious. My family loved it and wanted more! I think this sauce will become our β€˜go to’ fish sauce. Thanks Nagi
    P.S. I need MORE Dozer!!!

    Reply
    • Nagi says

      January 29, 2020 at 9:10 am

      Woot! I’m so happy you enjoyed it!

      Reply
  12. Natasha says

    January 22, 2020 at 5:39 pm

    5 stars
    Oh my goodness!!!!!! I have no words at how delicious this was. I used king fish fillet and served it with a garden salad and chips. My fussy 4 yo also LOVED it.

    Reply
  13. QAngela says

    January 16, 2020 at 3:06 am

    60 years ago when my kids were growing up, this is what I made to put on filet of sole. I always made extra so we could dip Italian bread in the drippings. So delicious. Thanks for the memories.

    Reply
    • Nagi says

      January 16, 2020 at 7:39 am

      Sounds divine!!! And I’m a sucker for dunking bread into any excess sauce 🀀

      Reply
  14. Nel says

    January 8, 2020 at 12:31 pm

    SO good, and easy too. It tasted like movie theatre popcorn butter, only it was real! lol. It really dressed up the fish and rice too. Thank you for the great instructions.

    Reply
  15. Claire Hamiilton says

    January 3, 2020 at 12:02 pm

    5 stars
    Excellent! I am attempting to add more fish, less meat, to my diet. This and the other fish recipes you provide will make it much easier.

    Reply
    • Nagi says

      January 3, 2020 at 12:05 pm

      Perfect Claire!!

      Reply
  16. Jill says

    December 13, 2019 at 3:38 am

    5 stars
    It was delicious! So tender and juicy, and flaky. I will definitely make it again.

    Reply
    • Nagi says

      December 13, 2019 at 2:19 pm

      I’m so happy you loved it Jill, thanks for letting me know!

      Reply
    • Nagi says

      December 13, 2019 at 7:01 am

      That’s great to hear Jill!!

      Reply
  17. Hazel says

    December 7, 2019 at 12:36 pm

    Easy and πŸ˜‹ delicious!

    Reply
    • Nagi says

      December 8, 2019 at 1:46 pm

      That’s great Hazel! – N x

      Reply
  18. roslyn j satterthwaite says

    November 8, 2019 at 5:09 am

    Thanks I so enjoy reading your posts and I have also read your receipts and will soon try to make some. Keep a song in your heart and a smile on your face,(smiles)

    Reply
  19. Sara says

    November 6, 2019 at 2:59 am

    5 stars
    One of the best fish recipes I have ever tried. The 1.5 minute cooking per side is a life saver (I used to over cook fish). Thanks Nagi!

    Reply
    • Nagi says

      November 6, 2019 at 12:26 pm

      Thanks so much for letting me know Sara!

      Reply
  20. Corina Smith says

    November 5, 2019 at 6:12 am

    Beautiful. I used boar fish. Xx definitely be my sauce for my fish from now on. Thanks magi.

    Reply
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