Delicious Keto Lemon Butter Chilean Seabass Recipe: Easy & Healthy Dinner Idea

Indulge in a Delectable Keto Lemon Butter Chilean Seabass

Welcome to a culinary journey where we embrace the richness of the sea with the zest of citrus in a dish that’s perfectly suited for the keto lifestyle. Today, we’re diving into a Keto Lemon Butter Chilean Seabass recipe that’s not just a feast for the eyes but also a marvel for your taste buds. This dish is a testament to the fact that a ketogenic diet can be both luxurious and utterly satisfying.

Imagine a perfectly pan-seared seabass, its skin crisp to perfection, basted in a rich, buttery sauce with a lively hint of lemon. This high-fat, low-carb meal is designed to fit seamlessly into your keto diet, providing a sophisticated dining experience without the guilt. Let’s embark on this flavorful adventure and discover why this seabass recipe is a must-try for keto enthusiasts and seafood lovers alike.

Keto Lemon Butter Chilean Seabass

The Origins and Keto Benefits of Lemon Butter Chilean Seabass

The Keto Lemon Butter Chilean Seabass is a dish that speaks volumes about the versatility and potential for creativity within a ketogenic diet. Originating from the desire to enjoy decadent, gourmet meals while adhering to keto principles, this recipe is a shining example of how high-quality ingredients can transform a simple fish fillet into a culinary masterpiece.

Chilean Seabass, known for its buttery texture and rich flavor, is an excellent source of high-quality protein and healthy fats, making it an ideal candidate for keto cooking. The addition of olive oil and butter not only enhances the flavor but also increases the fat content, which is crucial for maintaining ketosis. The lemon juice adds a refreshing zest and provides vitamin C, while the garlic and red chili flakes introduce a depth of flavor without adding significant carbs.

Each ingredient has been carefully selected to ensure that the dish remains low in carbohydrates but high in the fats needed for a successful keto diet. The simplicity of the ingredients list means that this dish is not only healthful but also accessible to home cooks of all levels. It’s a testament to the fact that keto meals can be both nutritious and indulgent, proving that you don’t have to sacrifice flavor for the sake of health.

Keto Lemon Butter Sauce Preparation

Mastering the Method for Perfect Keto Lemon Butter Chilean Seabass

Creating the perfect Keto Lemon Butter Chilean Seabass starts with the **searing technique**. Achieving that golden-brown crust on the seabass is not just about visual appeal; it’s about locking in the flavors and ensuring a delightful texture. Make sure your skillet is hot enough before adding the fish, but not so hot that the oil starts to smoke. This will give you a crisp exterior without overcooking the delicate interior.

When it comes to the **lemon butter sauce**, the key is to let the butter melt slowly and to add the garlic and chili flakes at just the right moment. They should become fragrant but not burnt, as this can impart a bitter taste to the sauce. The lemon juice should be added off the heat to preserve its bright, tangy flavor, which can be lost if overheated.

Finally, **basting the seabass** in the sauce is an essential step that should not be rushed. Spooning the sauce over the fillets allows the fish to absorb all the flavors, resulting in a dish that’s infused with the richness of butter and the sharpness of lemon in every bite. Pay attention to the heat at this stage to avoid reducing the sauce too much, which can make it overly rich.

Keto Lemon Butter Chilean Seabass Final Dish

Variations to the Keto Lemon Butter Chilean Seabass

Herb-Infused Seabass

For those who love a burst of herbal flavors, consider adding a medley of fresh herbs to the lemon butter sauce. Thyme, dill, and tarragon are all keto-friendly options that can create a new flavor profile for the dish. Simply chop the herbs finely and add them to the sauce just before basting the seabass.

Spicy Cajun Seabass

If you’re a fan of bold spices, a Cajun twist might be just what you’re looking for. Replace the red chili flakes with a sprinkle of Cajun seasoning on the fish before searing. This will give the seabass a spicy kick that’s sure to delight those who enjoy a little heat in their meals.

Creamy Lemon Butter Seabass

For a richer, more indulgent sauce, you can add a splash of heavy cream to the lemon butter sauce. This creates a creamy texture that complements the flaky seabass beautifully. Be sure to add the cream after the lemon juice and let it simmer until it thickens slightly.

Substitutions for Keto Lemon Butter Chilean Seabass

While Chilean Seabass is a fantastic choice for this recipe, you can easily substitute it with other fatty fish like **salmon or halibut**. These fish also have a rich texture and are keto-friendly, making them suitable alternatives. Adjust the cooking time accordingly, as different fish have varying densities.

For the butter, those who are dairy-sensitive can opt for **ghee** or **coconut oil**. Ghee is clarified butter with the milk solids removed, making it more tolerable for some individuals with dairy sensitivities. Coconut oil can impart a subtle sweetness and tropical flair to the dish.

If you’re not a fan of the heat from red chili flakes, consider substituting it with **smoked paprika**. This will give the dish a smoky depth without the spiciness, which can be more palatable for some while still keeping the dish keto-friendly.

Frequently Asked Questions

Can I use frozen Chilean Seabass for this recipe?
Yes, you can use frozen Chilean Seabass. Just ensure it’s fully thawed and patted dry to prevent excess moisture from affecting the searing process.

Is this recipe suitable for meal prep?
This dish is best enjoyed fresh, but you can prepare the lemon butter sauce in advance and reheat it when ready to serve.

Can I bake the seabass instead of pan-searing?
While pan-searing is recommended for the best texture, baking is a viable alternative. Bake at 375°F (190°C) until the fish flakes easily.

How can I ensure my seabass doesn’t stick to the pan?
Use a well-seasoned cast-iron skillet or a high-quality non-stick pan, and make sure it’s hot before adding the fish.

What are some keto-friendly sides to serve with this dish?
A fresh green salad, steamed asparagus, or sautéed spinach make excellent low-carb sides for this meal.

Keto Lemon Butter Chilean Seabass

Treat your taste buds to a succulent, keto-friendly feast with this Lemon Butter Chilean Seabass. Perfectly pan-seared to golden perfection and basted with a zesty lemon butter sauce, this dish is a delightful way to enjoy a low-carb, high-fat meal that's both sophisticated and satisfying.
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Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Dinner
Cuisine Seafood
Servings 4 servings
Calories 380 kcal


  • Large non-stick skillet
  • Paper towels
  • Measuring spoons and cups
  • Microplane or grater
  • Garlic press
  • Cooking utensils


  • 4 fillets Chilean Seabass 6 ounces each, 170 grams
  • 2 tbsp olive oil 30ml
  • 4 tbsp unsalted butter 60g
  • 1 lemon juiced and zested
  • 2 cloves garlic minced
  • ½ tsp red chili flakes 2.5ml
  • Salt and pepper to taste
  • ¼ cup fresh parsley chopped, 15g
  • Lemon slices for garnish


  • Pat the seabass fillets dry with paper towels and season both sides with salt and pepper to taste.
  • In a large, non-stick skillet, heat the olive oil over medium-high heat.
  • Carefully place the seabass fillets in the skillet. Cook for about 4-5 minutes on each side, or until the fish is golden brown and flakes easily with a fork. Remove the seabass from the skillet and set aside.
  • In the same skillet, reduce the heat to medium and add the butter. Once melted, stir in the minced garlic and red chili flakes, cooking for 1 minute until fragrant.
  • Pour in the lemon juice and zest, stirring to combine all the flavors. Allow the sauce to simmer for a couple of minutes to slightly reduce.
  • Return the seabass to the skillet and spoon the lemon butter sauce over the fillets. Let them cook for an additional 1-2 minutes in the sauce to soak up the flavors.
  • Transfer the seabass to plates, spoon extra sauce over the top, and garnish with chopped parsley and lemon slices.


Ensure your skillet is large enough to avoid overcrowding the fillets, which can lead to steaming rather than searing.
For those with a preference for a milder dish, the red chili flakes can be reduced or omitted.
This dish pairs wonderfully with a side of steamed asparagus or a fresh green salad to keep the meal low-carb and keto-friendly.
Leftovers can be stored in an airtight container in the refrigerator for up to two days.


Calories: 380kcalCarbohydrates: 2gProtein: 34gFat: 28gFiber: 1gNet Carbs: 1g
Keyword Keto Dinner, Keto Lemon Butter Chilean Seabass, Keto Seafood, Low-Carb High-Fat Fish
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