Mouthwatering Keto Chilean Seabass Recipe with Creamy Spinach Sauce for Healthy Living

Welcome to a Gourmet Keto Experience

If you’re on the lookout for a **luxurious keto meal** that promises to tantalize your taste buds while adhering to your dietary goals, you’ve just found it. Introducing the **Keto Chilean Seabass with Creamy Spinach Sauce** – a dish that combines the delicate, buttery texture of seabass with a rich, velvety spinach sauce, all while keeping your carb count low. This recipe is an excellent choice for a sophisticated dinner that will not only impress your guests but also fit seamlessly into your **low-carb, high-fat keto diet**.

For those following a ketogenic lifestyle, finding a dish that is both **nutrient-rich and delicious** can sometimes be a challenge. But with this recipe, you get the best of both worlds. The high-fat content from the creamy sauce aligns perfectly with the keto diet’s requirements, while the protein-packed seabass helps you stay satiated and nourished. Let’s dive into the culinary delights of this exquisite keto-friendly dish.

Keto Chilean Seabass with Creamy Spinach Sauce

The Story Behind the Dish

The **Keto Chilean Seabass with Creamy Spinach Sauce** is a dish born out of a love for rich, satisfying meals that align with a ketogenic lifestyle. As someone who adores experimenting with flavors and textures, I wanted to create a dish that would be a showstopper at any dinner table, yet simple enough to prepare on a busy weeknight. This recipe is the perfect testament to the fact that keto meals can be both indulgent and healthy.

Chilean seabass, known for its **high omega-3 fatty acid content**, is an excellent choice for those on a keto diet. These good fats are essential for maintaining a healthy heart and brain function. When paired with the **low-carb spinach sauce**, enriched with heavy cream and cheeses, you get a dish that’s not only keto-friendly but also packed with nutrients like calcium and iron.

The **creamy spinach sauce** is a keto powerhouse, thanks to its combination of heavy cream and cheeses, both of which are high in fat and low in carbs. The addition of spinach adds fiber and essential vitamins to the dish, making it a balanced meal that supports your keto macros. The subtle hint of nutmeg in the sauce adds a layer of depth and warmth that complements the mild flavor of the seabass beautifully.

Preparing Keto Chilean Seabass

Mastering the Method

Creating this dish is an art form that requires attention to detail to ensure that the seabass is cooked to perfection and the sauce reaches the right consistency. Here are some **chef’s tips** to elevate your cooking:

When preparing the seabass, make sure to **pat the fillets dry** before seasoning. This will help you achieve that **crispy skin** that’s so desirable in a well-cooked piece of fish. The key to a perfectly cooked seabass is not to overcook it. You’re aiming for a flaky texture that’s moist and tender on the inside. Use a thermometer to check that the internal temperature has reached 145°F (63°C) before serving.

For the sauce, start by gently sautéing the garlic in olive oil until it’s fragrant. This will infuse the oil and create a flavorful base for the sauce. When adding the cheeses to the heavy cream, do so on low heat and stir continuously to avoid any clumping. The sauce should be smooth and velvety, coating the back of a spoon when it’s ready.

Remember, the sauce will thicken as it cools, so if it seems a bit thin when you first prepare it, give it a few minutes to set before serving. If you prefer a thinner sauce, simply add a splash more heavy cream to reach your desired consistency.

Keto Chilean Seabass with Creamy Spinach Sauce Ready to Serve

Variations to the Recipe

Keto Mediterranean Seabass

Transform the dish with a Mediterranean twist by incorporating sun-dried tomatoes and olives into the spinach sauce. The tangy flavors will complement the seabass, offering a fresh take on the original recipe while keeping it keto-friendly.

Spicy Seabass Fiesta

For those who enjoy a bit of heat, add some crushed red pepper flakes to the creamy spinach sauce. This will give the dish a spicy kick that pairs wonderfully with the mild seabass.

Herb-Infused Seabass Delight

Herbs like dill or parsley can be added to the sauce or used as a garnish to bring a burst of freshness to the dish. These herbs not only enhance the flavor but also add a pop of color to your plate.

Substitutions for Dietary Restrictions

While this recipe is designed to be keto-friendly, there may be times when you need to make substitutions due to dietary restrictions or personal preferences. Here are some suggestions:

For those who are dairy-free, you can substitute the heavy cream with full-fat coconut milk and use a dairy-free cheese alternative in place of the Parmesan and cream cheese. This will still give you a creamy sauce that’s keto-friendly and delicious.

If you’re unable to find Chilean seabass, another firm white fish like cod or halibut can be used as a substitute. These fish still provide a similar texture and are also rich in omega-3 fatty acids.

For a nut-free version of the dish, simply omit the nutmeg from the sauce. The flavor will still be rich and satisfying without this ingredient.

Frequently Asked Questions

Can I use frozen spinach instead of fresh?

Yes, you can use frozen spinach. Just make sure to thaw and squeeze out any excess water before adding it to the sauce.

How can I store leftovers?

Keep leftovers in an airtight container in the refrigerator for up to 2 days. Reheat gently to avoid overcooking the fish.

Is this dish suitable for meal prep?

Yes, you can prepare the seabass and sauce in advance. Just reheat and combine when you’re ready to eat.

Can I make the creamy spinach sauce ahead of time?

Yes, the sauce can be made ahead and stored in the refrigerator. Gently reheat it before serving.

What can I serve with this dish?

For a complete keto meal, serve with a side of cauliflower mash or a fresh green salad.

Keto Chilean Seabass with Creamy Spinach Sauce

This Keto Chilean Seabass with Creamy Spinach Sauce is a sumptuous dish that perfectly fits into your low-carb lifestyle. The buttery texture of the seabass pairs wonderfully with the rich and velvety spinach sauce, creating a meal that's as nutritious as it is delicious. It's an excellent choice for a sophisticated dinner that's sure to impress while keeping your macros in check.
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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Course Dinner
Cuisine Keto, Seafood
Servings 4 servings
Calories 345 kcal


  • Oven-proof skillet
  • Saucepan
  • Measuring cups and spoons
  • Knife
  • Cutting board



  • 4 fillets Chilean seabass 6 oz each / 170 g each
  • 1 tbsp olive oil
  • Salt and pepper to taste
  • 1 tsp garlic powder
  • 1 tbsp unsalted butter

Creamy Spinach Sauce

  • 2 cups fresh spinach
  • ½ cup heavy cream
  • ¼ cup grated Parmesan cheese
  • 2 tbsp cream cheese
  • 1 tbsp olive oil
  • 2 cloves garlic minced
  • ¼ tsp nutmeg


  • Preheat your oven to 375°F (190°C).
  • Season the seabass fillets with salt, pepper, and garlic powder.
  • Heat olive oil in a large oven-proof skillet over medium-high heat. Add the seabass fillets, skin-side down, and cook for about 3-4 minutes until the skin is crispy.
  • Flip the fillets over, add the butter to the skillet, and transfer the skillet to the oven. Bake for 12-15 minutes or until the fish flakes easily with a fork.
  • While the fish is baking, prepare the creamy spinach sauce. In a saucepan, heat olive oil over medium heat. Add minced garlic and sauté until fragrant.
  • Add the fresh spinach to the saucepan and cook until wilted.
  • Reduce heat to low and stir in the heavy cream, Parmesan cheese, and cream cheese. Cook until the cheeses melt and the sauce thickens.
  • Season the sauce with salt, pepper, and nutmeg. Keep warm.
  • Once the seabass is done, remove from the oven and let it rest for a couple of minutes.
  • Serve the seabass fillets with a generous amount of creamy spinach sauce on top.


Ensure the seabass fillets are at room temperature before cooking to ensure even cooking.
For an extra crispy skin, pat the seabass dry before seasoning.
The creamy spinach sauce can also be served with other types of fish or even over grilled chicken for variation.
Keep leftovers in an airtight container in the refrigerator for up to 2 days. Reheat gently to avoid overcooking the fish.
Always check the internal temperature of the fish with a thermometer to ensure it's reached 145°F (63°C) before serving.


Calories: 345kcalCarbohydrates: 3gProtein: 23gFat: 25gFiber: 1gNet Carbs: 2g
Keyword Creamy Spinach Sauce, Keto Dinner, Keto Seabass, Low Carb Seafood
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