BARRAMUNDI WITH MACADAMIA BROWN BUTTER & LIME
Barramundi is one of Australia's great eating fish. Its thick, white flesh holds up beautifully over direct heat, the skin crisps hard when the grill is right, and it takes on smoke without losing its clean, sweet flavour. This recipe keeps the fish honest and lets the butter do the work.
Brown butter is one of the simplest things you can make over a fire. Macadamia nuts toasted in the pan add a richness that feels native to the dish, and a hit of fresh lime at the end cuts straight through it.
The result is a plate that looks effortless and tastes like you planned it for weeks.
This works on a kettle BBQ with a hot direct zone or over a campfire with a cast iron pan sitting on the coals. Either way, get the surface ripping hot before the fish goes on. That first contact is everything.
Serves 4
Prep Time 15 minutes
Cook Time 10 to 12 minutes
Rest Time 3 minutes
Fire Setup Direct high heat - BBQ or campfire cast iron
Target Temp Internal 58-60 degrees C (just cooked through)
Difficulty Easy
INGREDIENTS: The Fish
4 Barramundi fillets, skin on (approx. 180-200g each)
2 tbsp Extra virgin olive oil
1 tsp Flaky sea salt
1/2 tsp Cracked black pepper
1 Lime, halved (for grilling alongside)
INGREDIENTS: Macadamia Brown Butter
80g Unsalted butter
60g Raw macadamia nuts, roughly chopped
2 cloves Garlic, thinly sliced
1 tbsp Fresh lime juice
1 tsp Lime zest
1 tbsp Fresh flat-leaf parsley, finely chopped
Pinch Flaky sea salt
To Serve:
1 Lime, cut into wedges
Small handful Fresh coriander leaves
1 tbsp Toasted coconut flakes (optional)
01. Prepare the Fish
Pat the barramundi fillets dry with paper towel on both sides. Score the skin three times with a sharp knife, cutting just through the skin without going into the flesh. This stops the fillet from curling on the grill. Drizzle with olive oil and season generously with flaky salt and cracked pepper on both sides.
Dry skin is crispy skin. Any moisture left on the surface will steam the fish instead of searing it. Take your time with the paper towel.
02. Get the Heat Right
For BBQ: build a hot direct zone over one side of the grill. You want the grates ripping hot before the fish goes on. For campfire: place a cast iron pan directly on the coals and let it heat for at least 5 minutes. Add a small splash of oil and wait until it just begins to smoke.
Test the heat by holding your hand 10cm above the grate. If you can only hold it for 2 seconds, it is ready.
03. Grill the Fish Skin Side Down
Place the fillets skin side down on the hot grill or into the cast iron pan. Press each fillet down firmly for the first 10 seconds to ensure full contact between skin and surface. Cook for 4 to 5 minutes without moving. The flesh will turn opaque from the bottom up. When it is two thirds of the way through, it is time to flip.
Do not move the fish until it releases naturally. If it sticks, it is not ready. Patience here is the difference between crispy skin and torn skin.
04. Flip and Finish
Flip the fillets gently and cook flesh side down for 1 to 2 minutes only. The fish is done when it just flakes at the thickest point and the internal temperature reads 58 to 60 degrees C. Remove from heat and rest for 3 minutes on a warm plate. While the fish rests, place the lime halves cut side down on the grill for 2 minutes until charred.
Barramundi overcooks quickly. Pull it just before you think it is done. Residual heat will carry it the rest of the way.
05. Make the Macadamia Brown Butter
In a small pan or cast iron skillet over medium-high heat, melt the butter. Once it begins to foam, add the chopped macadamias and sliced garlic. Swirl the pan constantly. The butter will go from golden to amber and begin to smell nutty. This takes about 3 to 4 minutes. The moment it turns a deep hazelnut brown, pull it off the heat immediately and squeeze in the lime juice. It will spit. Add the zest and parsley and season with a pinch of flaky salt.
Brown butter goes from perfect to burnt in seconds. Stay with the pan. The macadamias will continue to toast in the residual heat after you pull it.
06. Plate and Serve
Place each barramundi fillet skin side up on the plate. Spoon the macadamia brown butter generously over the top, making sure each piece gets a share of the nuts and garlic. Scatter fresh coriander leaves over, add a few toasted coconut flakes if using, and serve immediately with the charred lime halves and extra wedges on the side.
Serve the moment the butter hits the fish. Brown butter waits for no one.
SERVE WITH
This dish is light enough to pair with a simple green salad dressed with olive oil and lemon, or a bowl of steamed jasmine rice to soak up the brown butter. Grilled corn with a little chilli butter works well alongside it. For drinks, a cold lager or a glass of unoaked chardonnay is the right call. If you are at a campfire, a cold can of anything will do the job.
THE RIGHT KNIFE FOR THIS
Scoring barramundi skin cleanly takes a sharp, thin blade. A dull knife drags and tears, which ruins the skin before it ever hits the grill. The Outsider Chef Knife was built specifically for outdoor cooking and handles fish prep, scoring and portioning with ease. Its stainless steel holds up in outdoor conditions and the paracord loop detail adds a practical carry point for outdoor use. The Classic Chef's Slicer is the go-to for portioning a whole fillet cleanly before it goes on the fire.
Outsider Chef Knife · $295 AUD