Pan-Seared Barramundi with Warm Fennel-Avocado Salsa (Keto, 18-Minute Recipe)

This lightning-fast stovetop recipe features flaky barramundi fillets pan-seared to golden perfection, topped with a zesty warm fennel and avocado salsa for a refreshing, keto-friendly dinner bursting with flavor and healthy fats.

⏱️ 18 minutes
👥 2 servings
🔥 410 calories
Pan-Seared Barramundi with Warm Fennel-Avocado Salsa (Keto, 18-Minute Recipe)
Ingredients
  • 2 5-oz fillets barramundi fillets (skin-on, boneless)
  • 0.5 cup fennel bulb (thinly sliced)
  • 1 medium avocado (diced)
  • 1 tbsp fresh dill (chopped)
  • 1 tsp lemon zest
  • 1 tbsp lemon juice
  • 2 tbsp olive oil
  • 2 tsp capers (drained)
  • 0.5 tsp sea salt
  • 0.25 tsp black pepper
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Instructions

1

Pat the barramundi fillets dry and season both sides with salt and black pepper.

⏱️ 1 minute
2

Heat 1 tablespoon olive oil in a large nonstick skillet over medium-high heat. When shimmering, place fillets skin-side down and cook until skin is crisp and fish is mostly opaque, about 3 minutes.

⏱️ 3 minutes 🌡️ medium-high
3

Flip the fillets and cook the other side for 2–3 minutes, until just cooked through. Transfer fish to plates and loosely tent with foil.

⏱️ 3 minutes 🌡️ medium-high
4

Lower heat to medium. Add remaining olive oil and fennel to the skillet. Sauté until just softened, about 2 minutes.

⏱️ 2 minutes 🌡️ medium
5

Turn off heat. Gently stir in diced avocado, capers, lemon zest, lemon juice, and fresh dill. Season to taste with salt and pepper.

⏱️ 1 minute
6

Spoon the warm fennel-avocado salsa over the barramundi fillets and serve immediately.

⏱️ 1 minute
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Nutrition Information

410
Calories
33g
Protein
7g
Carbs
28g
Fat

Per serving. Values are approximate and may vary.

Frequently Asked Questions

Yes, just thaw the fillets completely and pat dry before cooking for the best texture.

Barramundi is often farmed responsibly and is considered a sustainable seafood, but check for certifications at your market.

The fillets should flake easily with a fork and look opaque throughout; avoid overcooking for best results.

Absolutely—thinly sliced radishes or cherry tomatoes (for non-keto, or in smaller quantity) would pair well.

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