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This Lemon Butter Branzino Tastes Like a Seaside Restaurant: Lemon Caper Butter Branzino is one of those dishes that feels effortlessly elegant- like something youโd order at a seaside restaurant in Greece – but its honestly one of the easiest seafood dinners to make at home. This fish is light, flaky, and finished with a bright, buttery sauce that makes it taste restaurant-worthy, even though it only involves a few minutes active time.
Branzino cooks quickly, which makes it perfect for both beginners and seasoned home cooks. We’re using just a few fresh ingredients- lemon, capers, butter, and herbs- so you can get big flavor, without a complicated process.
Whether youโre planning a date night dinner or just craving something fresh and flavorful, this easy roasted fish recipe delivers every time!



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At Sweet C’s, I add lots of tips in all of my recipes – because I am a home cook without any formal training, and I find I am more confident making dishes when I understand why it works, and what each ingredient means to the flavor of a recipe. My goal is for even the most beginner home cook to feel empowered in the kitchen.
Table of contents
How to Make Lemon Caper Butter Roasted Branzino
This lemon caper butter branzino is tender, flaky, and finished with a bright, buttery sauce. Easy to prepare yet elegant enough for entertaining, itโs a light seafood dinner that feels restaurant-quality at home.
What You Need for Lemon Caper Butter Branzino
To make this recipe, we will need the following ingredients:
- 1 Whole Branzino: The centerpiece! Branzino is a mild, small white fish with a flaky texture, great for absorbing flavors.
- 1 Lemon, Thinly Sliced: Adds citrusy brightness and helps tenderize the fish.
- 4 tbsp Unsalted Butter, Melted: Butter adds a rich, creamy texture and also helps carry the flavors of garlic and capers into the fish.
- 2 tbsp Capers, Drained: These bring a pop of briny flavor, adding complexity to the dish.
- 4 Garlic Cloves, Minced: Garlic infuses the butter and fish with a robust, aromatic flavor.
- Salt and Black Pepper: Basic seasonings to enhance the fish’s natural flavors.
- Fresh Parsley: Adds a burst of color and fresh, herby notes.
- Optional: 1 tbsp Olive Oil: For drizzling over before roasting, it can enhance the fish’s moisture and flavor.
Roasted Branzino Step by Step
Once you’ve gathered your ingredients, we will use the following process:

Sear Fish
Ask your fishmonger to gut and clean fish for you. Leave head on if preferred.

Stuff With Herbs and Lemon
When fish is seared on both sides, remove and set in roasting dish. Stuff with herbs and lemon.

Mix Caper Butter
Mix caper butter, slater all over seared fish. Reserve a little for serving.

Roast
Roast fish for 15-20 minutes, until meat is white and opaque. Fish should be 145ยฐF (63ยฐC), and the meat should flake easily.

Serve & Enjoy
Garnish with chopped herbs or parsley. Serve with light, fresh sides, and enjoy!

Tips to Get Perfect Lemon Caper Butter Roasted Branzino
Fresh Fish: Make sure your branzini is as fresh as possible. The eyes should be clear, and it should smell like the ocean, not fishy.
Proper Prepping: After gutting and scaling, give the fish a good rinse and pat it completely dry. The drier the skin, the crispier it will get.
Butter Up: Opt for unsalted, high-quality butter to control the seasoning yourself and get a richer flavor.
Lemon Quality: Use fresh lemons, not the bottled lemon juice. The flavor and aroma are worlds apart.
Caper Sizing: If the capers are large, consider giving them a rough chop so their briny goodness is distributed more evenly.
Inside Out: Don’t just season the outsideโmake sure to get some salt, pepper, and a lemon slice or two in the cavity for more uniform flavor.
Cooking Time: It’s easy to overcook fish, so keep an eye on it. When the flesh flakes easily with a fork and reaches an internal temperature of 145ยฐF (63ยฐC), it’s ready.
Rest Time: Let the fish rest for a few minutes after taking it out of the oven; this will help the juices redistribute.
Sauce It: If you’re a fan of extra sauce, you can double the butter mixture and serve some on the side.
Pair Wisely: This dish pairs wonderfully with white wine like a Sauvignon Blanc or a light Pinot Grigio.
Presentation: Garnish with some fresh parsley or even a sprig of dill to add a pop of color and freshness.
I hope this clears up any queries you might have. Happy cooking!
What to Serve With Roasted Branzino
Try these recipes next:
Each of these sides brings something different to the table but all would make worthy companions to your lemon caper butter roasted branzino.
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Lemon Caper Butter Roasted Branzino

Ingredients
- 1 tbsp olive oil
- 1 whole branzino, gutted and scaled (about 1-1.5 lbs each)
- 1 lemon, thinly sliced
- 4 tbsp unsalted butter, melted
- 2 tbsp capers, drained
- 4 garlic cloves, minced
- Salt and black pepper to taste
- Fresh tarragon, optional
Instructions
- Set your oven to 425ยฐF (220ยฐC).
- Rinse and pat dry the branzino.
- Place tarragon in a roasting pan lined with aluminum foil or a ceramic baking dish.
- Rub the cavity and the skin of the branzino with salt, black pepper, and optional olive oil.
- Stuff the cavity of each fish with a few slices of lemon and half the diced garlic.
- In a bowl, combine melted butter, remaining garlic, and capers.
- Spread the butter mixture over the fish and place the remaining lemon slices on top.
- Put the roasting pan in the oven for about 20-25 minutes. The fish should reach an internal temperature of 145ยฐF (63ยฐC) and the flesh should flake easily.
- Once out of the oven, sprinkle some freshly chopped parsley for color and added flavor.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Roasted Branzino Questions, Answered
Branzino, also known as European sea bass, is a mild, white fish. It’s popular for its flaky texture and light taste, making it versatile for various preparations.
Whole branzini is generally preferred for its presentation and flavor, but fillets can work too. Just adjust the cooking time downward.
Sure! If capers aren’t your thing, you could use chopped olives for a different but equally briny kick. You can also omit them.
Around 425ยฐF (220ยฐC) works great for roasting branzini. It’s hot enough to crisp the skin while keeping the inside juicy.
Yes, you can use regular salted butter, but you’ll want to cut back on any additional salt you add.
Either works, but fresh herbs like parsley or thyme will give a brighter flavor.
The flesh should flake easily with a fork, and the internal temperature should be around 145ยฐF (63ยฐC).
You can prepare the butter mixture and season the fish in advance, but it’s best roasted just before serving to keep the skin crispy.
This dish pairs well with light sides like a green salad, roasted veggies, or a citrusy couscous.
Leftovers can be stored in the fridge for up to 2 days. Reheat gently to avoid drying out the fish.














I made this last night and we enjoyed the recipe, but there are no clear instructions about what to do with the minced garlic in the actual recipe instructions, and only a reference to mixing it with the melted butter and capers in a mixing bowl in instructions. The use of the garlic should be clarified.
Glad you enjoyed it! I will clarify that!