Easy Step-By-Step Guide: Herb Crusted Keto Chilean Seabass with Lemon Aioli Recipe

Welcome to a culinary experience that not only tantalizes your taste buds but also fits seamlessly into your keto diet. Today, we’re diving into a recipe that marries the opulence of fine dining with the principles of low-carb eating: Herb Crusted Keto Chilean Seabass with Lemon Aioli. This dish is a testament to the fact that a ketogenic lifestyle doesn’t mean sacrificing flavor or elegance in your meals. With a perfectly crusted exterior and a zesty aioli to match, this seabass recipe is set to become a staple in your keto repertoire.

Chilean Seabass, known for its buttery texture and rich flavor, serves as an excellent source of high-quality protein and healthy fats, making it an ideal candidate for a keto-friendly meal. The herb crust adds a delightful crunch and an aromatic punch without the carb overload typically associated with breaded coatings. The lemon aioli, creamy and tangy, provides a burst of freshness that elevates the dish to new heights. Let’s embark on this culinary journey and discover how to create this sumptuous dish that’s sure to impress.

Herb Crusted Keto Chilean Seabass with Lemon Aioli

Recipe Details

This Herb Crusted Keto Chilean Seabass with Lemon Aioli is more than just a recipe; it’s a reflection of my passion for creating keto-friendly dishes that resonate with the fine dining experience. The inspiration for this dish comes from my love of the sea and its bountiful offerings. Seabass, with its high omega-3 content and succulent flesh, provides an excellent base for a variety of flavors, especially when paired with herbs and citrus.

The almond flour and Parmesan cheese create a low-carb crust that is not only delicious but also provides a satisfying texture that complements the tender fish. The fresh herbs, including thyme, rosemary, and parsley, are not only aromatic but also packed with antioxidants, while the garlic adds a depth of flavor that is unmistakable. The olive oil ensures that the crust becomes beautifully golden without the need for traditional breadcrumbs.

The lemon aioli is a game-changer for this dish. It’s made with mayonnaise, which is inherently keto-friendly due to its high fat content, and it’s infused with fresh lemon juice and zest, providing vitamin C and a bright, zesty flavor that cuts through the richness of the fish. This aioli is the perfect accompaniment to the herb-crusted seabass, making each bite a harmonious blend of flavors and textures.

Preparing Herb Crusted Keto Chilean Seabass

The Method

Creating this Herb Crusted Keto Chilean Seabass with Lemon Aioli is an art form that begins with the quality of the ingredients. When selecting your seabass, aim for fresh, sustainably sourced fillets. The freshness of the fish is paramount, as it will reflect in both the texture and the taste of your final dish.

When preparing the herb crust, it’s important to finely mince the herbs to release their essential oils, which will infuse the crust with their full flavor. The almond flour and Parmesan cheese should be mixed thoroughly to ensure an even coating. When applying the crust to the fish, press gently to adhere it to the fillet, creating a uniform layer that will crisp up beautifully in the oven.

The cooking time is crucial; seabass is a delicate fish and can easily overcook, resulting in a dry texture. Keep a close eye on the oven and check the fish for doneness by gently flaking it with a fork. It should be opaque and flake easily when it’s ready. Letting the fish rest for a few minutes after baking allows the juices to redistribute, ensuring each bite is moist and flavorful.

Herb Crusted Keto Chilean Seabass Ready to Serve



FAQ Section

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Herb Crusted Keto Chilean Seabass with Lemon Aioli

A luxurious and succulent Chilean Seabass is the star of this keto-friendly dish, featuring a golden herb crust and a tangy lemon aioli to elevate the flavors. Perfect for a refined dinner that adheres to your low-carb lifestyle.
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Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Dinner
Cuisine Seafood/Keto
Servings 4 servings
Calories 390 kcal


  • Baking sheet
  • Parchment paper
  • Small mixing bowl
  • Whisk
  • Brush


  • 4 Chilean Seabass fillets (6 oz each, or 170g)
  • ½ cup almond flour (56g)
  • ¼ cup grated Parmesan cheese (22g)
  • 1 tbsp fresh thyme, minced (0.5g)
  • 1 tbsp fresh rosemary, minced (0.5g)
  • 1 tbsp fresh parsley, minced (0.5g)
  • 2 cloves garlic, minced (6g)
  • 2 tbsp olive oil (30ml)
  • Salt and pepper to taste
  • 1 cup arugula for garnish (20g)
  • ½ cup mayonnaise (120ml) for the Lemon Aioli
  • 1 tbsp lemon juice (15ml) for the Lemon Aioli
  • 1 tsp lemon zest (2g) for the Lemon Aioli
  • 1 clove garlic, minced (3g) for the Lemon Aioli
  • Salt and pepper to taste for the Lemon Aioli


  • Preheat your oven to 400°F (204°C) and line a baking sheet with parchment paper.
  • In a small bowl, mix together almond flour, Parmesan cheese, thyme, rosemary, parsley, and minced garlic.
  • Pat the seabass fillets dry with a paper towel and season each with salt and pepper.
  • Brush each fillet with olive oil, then press the herb mixture onto the top of each fillet to create a crust.
  • Place the crusted fillets on the prepared baking sheet and bake for approximately 15 minutes, or until the crust is golden and the fish flakes easily with a fork.
  • While the fish is baking, prepare the lemon aioli by combining mayonnaise, lemon juice, lemon zest, minced garlic, salt, and pepper in a bowl. Whisk until smooth and creamy.
  • Once the fish is done, let it rest for a few minutes before serving.
  • Serve each fillet on a bed of arugula and drizzle with the lemon aioli.


To ensure optimal freshness, choose Chilean Seabass from a reputable fishmonger and consume it within two days of purchase. The herb crust can be made in advance and stored in the refrigerator to save on prep time. For a spicier aioli, add a pinch of cayenne pepper.


Calories: 390kcalCarbohydrates: 4gProtein: 34gFat: 25gFiber: 2gNet Carbs: 2g
Keyword Herb Crust, Keto, Lemon Aioli, Low-Carb, Seabass, Seafood
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