Barramundi Fillets Pan-Seared with Lemon Myrtle Butter

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Flaky barramundi fillets pan-seared and finished with a fragrant lemon myrtle butter sauce. This australian-inspired seafood (gluten free) ready in about 20 minutes pairs fillets (6 oz each) barramundi fillets, salt, black pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.

Prep: 10 min Cook: 10 min Serves 4 Australian cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: Pat dry 4 barramundi fillets and season both sides with 1 tsp salt and 1/2 tsp black pepper.
  2. Step 2: Heat 2 tbsp olive oil in a large nonstick skillet over medium-high heat until shimmering.
  3. Step 3: Add the fillets skin-side down and cook for 4-5 minutes until the skin is crispy and golden, then carefully flip and cook for an additional 3 minutes until the fish flakes easily.
  4. Step 4: In the last minute of cooking, add 4 tbsp unsalted butter and 1 tsp lemon myrtle powder to the pan. Spoon the melted butter over the fillets as it melts to infuse flavor.
  5. Step 5: Remove the fillets from heat, drizzle with 1 tbsp fresh lemon juice, and sprinkle 2 tbsp chopped fresh parsley before serving.

Frequently asked questions

How long does Barramundi Fillets Pan-Seared with Lemon Myrtle Butter take to make?

Total time is about 20 minutes (10 min prep + 10 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Barramundi Fillets Pan-Seared with Lemon Myrtle Butter?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep salt from drying out.

Can I substitute ingredients in Barramundi Fillets Pan-Seared with Lemon Myrtle Butter?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Barramundi Fillets Pan-Seared with Lemon Myrtle Butter for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Barramundi Fillets Pan-Seared with Lemon Myrtle Butter gluten free?

Yes — this recipe is tagged gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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