Slow-Cooked Barramundi with Finger Lime and Wattleseed Beurre Blanc

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Delicate barramundi fillets slow-cooked to flaky perfection, served with a tangy beurre blanc infused with Australian finger lime pearls and roasted wattleseed. This australian-inspired seafood ready in about 40 minutes pairs (6 oz) pieces barramundi fillets, unsalted butter, shallots, finely chopped 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. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 30 min Serves 4 Australian cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 275°F (135°C). Lightly oil a baking dish with 1 tbsp olive oil. Season 4 barramundi fillets with 1 tsp salt and 1/2 tsp black pepper, then place them in the dish skin-side down.
  2. Step 2: Cook the fillets in the oven for 20-25 minutes until just cooked through and flaky.
  3. Step 3: Meanwhile, in a small saucepan over medium heat, sauté 2 tbsp finely chopped shallots in 1 tbsp butter until translucent and fragrant, about 2 minutes.
  4. Step 4: Add 1/4 cup dry white wine and reduce by half, then lower heat to low and whisk in remaining 5 tbsp cold unsalted butter piece by piece to create a smooth beurre blanc sauce.
  5. Step 5: Stir in 1 tbsp lemon juice, 2 tbsp finger lime pearls, and 1 tsp roasted ground wattleseed until combined.
  6. Step 6: Plate the barramundi fillets and spoon the finger lime wattleseed beurre blanc over the top, serving immediately.

Equipment for this recipe

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Frequently asked questions

How long does Slow-Cooked Barramundi with Finger Lime and Wattleseed Beurre Blanc take to make?

Total time is about 40 minutes (10 min prep + 30 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 Slow-Cooked Barramundi with Finger Lime and Wattleseed Beurre Blanc?

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 unsalted butter from drying out.

Can I substitute ingredients in Slow-Cooked Barramundi with Finger Lime and Wattleseed Beurre Blanc?

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 Slow-Cooked Barramundi with Finger Lime and Wattleseed Beurre Blanc 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.

What goes well with Slow-Cooked Barramundi with Finger Lime and Wattleseed Beurre Blanc?

Australian seafood like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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