Barramundi with fennel and orange, done properly

Fennel bulbs the size of softballs were stacked up cheap at the fruit shop on Terrigal Esplanade last week, going for next to nothing because half the customers walk straight past them. Nobody quite trusts fennel. Fair enough, raw it can taste like you’ve bitten into a fly spray can. Cooked properly, with a bit of orange and a decent piece of fish, it’s a different vegetable entirely, and this is the dish I’ve been making with it most weeks lately: barramundi with fennel and orange, which sounds fancy on a menu and is actually one of the more forgiving dinners in my rotation.

Why barramundi with fennel and orange earns its place on a weeknight plate

Barramundi’s a good fish to build a habit around. It’s mild enough that it won’t fight with anything, the flesh holds together when you cook it properly, and unlike snapper or blue-eye it doesn’t punish you much if you’re thirty seconds late off the pan. I’ve written before about how forgiving a good fillet of steamed snapper can be, and barramundi sits in that same category, just with a slightly fattier, more buttery flesh that takes well to a hot pan and crisp skin rather than steam.

Fennel roasted hard until the edges catch colour turns sweet and a bit smoky, losing that aniseed sharpness almost entirely. Orange does two jobs: the zest goes into the roasting fennel to lift it, and the juice gets reduced in the same pan you cooked the fish in, picking up all the fond and turning into a glaze that takes about ninety seconds and tastes like you tried a lot harder than you did. This is a genuinely vegetable-forward dinner too — you’re getting a full bulb of fennel and a good handful of greens on the plate, not just fish with a garnish, which is the bit I actually care about most nights.

Getting the skin properly crisp

This is where most home cooks lose the plot with barramundi, and I’ll be blunt about it: a lukewarm pan and a lid on top is how you end up with fish that’s steamed itself grey and gone soft-skinned and sad. Get your pan smoking hot before the oil goes in, pat the fillets bone dry with paper towel, score the skin lightly in two or three spots so it doesn’t curl on you, and then press it down flat for the first thirty seconds with a fish slice or your fingers if you’re brave. Don’t touch it again until the skin has released itself from the pan, which takes about four minutes for a fillet this size. If you try to flip it early it’ll tear and stick, and there’s no fixing that once it’s happened.

I’d also say, and this is the one thing I’ll die on a hill over: don’t bother with those pre-crumbed or pre-marinated barra fillets from the supermarket freezer. They’re cooked to fall apart on purpose so nobody notices bad technique, and you end up with something closer to fish-flavoured mush than a piece of fish. A plain fillet, a hot pan and five minutes of your attention does more for the result than any marinade will.

Ingredients

• 4 barramundi fillets, skin on, about 180g each
• 2 fennel bulbs, trimmed, fronds reserved
• 2 oranges (zest and juice of one, the other peeled and segmented)
• 1 small red onion, thinly sliced
• 2 tbsp extra virgin olive oil, plus a little extra for the pan
• 1 tsp fennel seeds, lightly crushed
• 1 clove garlic, thinly sliced
• 60ml white wine or verjuice
• 2 handfuls baby spinach or rocket
• Sea salt and freshly cracked black pepper

Method

1. Preheat the oven to 200°C (fan-forced 180°C). Slice the fennel bulbs into wedges about 1.5cm thick, keeping the root end intact so they hold together.
2. Toss the fennel wedges and sliced red onion with 1 tablespoon of olive oil, the orange zest, crushed fennel seeds and a good pinch of salt. Spread on a tray and roast for 20-25 minutes, turning once, until the edges have caught some proper colour.
3. While that’s going, segment the second orange over a bowl to catch the juice, and set the segments aside. Pat the barramundi fillets completely dry with paper towel and season the skin side well with salt.
4. Get a heavy pan properly hot over medium-high heat. Add a tablespoon of oil and lay the fillets in skin-side down, pressing flat for the first 30 seconds.
5. Leave them alone for 4 minutes, resisting every urge to check. Flip, cook a further 1-2 minutes on the flesh side, then remove to a plate to rest, skin-side up so it stays crisp.
6. Turn the heat down slightly, add the garlic to the same pan and cook for 30 seconds, then add the reserved orange juice and the wine or verjuice. Let it bubble and reduce for a minute or two until it’s slightly syrupy, scraping up any bits stuck to the pan.
7. Divide the roasted fennel and onion between plates with a small handful of spinach or rocket. Top with the barramundi, spoon the orange glaze over, and scatter the orange segments and reserved fennel fronds on top.

A plate that earns its place on a Sunday

I like this one on a proper slow Sunday cook where you’ve got twenty-five minutes free and nobody’s hovering at the bench asking when dinner’s happening. It plates up nicely enough for people to think you’ve made an effort, and the truth is most of that twenty-five minutes is the fennel doing its own thing in the oven while you get the fish sorted. Serve it with nothing more than a wedge of the leftover orange and maybe a small bowl of steamed rice or some crusty bread to mop up the glaze, because that glaze is the best part and it’s a waste to leave any of it on the plate.

If you want to round the meal out for a bigger appetite, a side like the chickpea and roast capsicum salad works well alongside it without competing for attention, or keep it lighter with something like the warm beetroot, fig and goat’s cheese salad if you’re feeding people who want more vegetables and less starch. Either way you’re covering a good spread of vegetables plus a proper serve of lean protein, which is really the whole point of a dinner like this.

The variation worth keeping in your back pocket

Swap the barramundi for blue-eye cod if that’s what looks better at the fishmonger that day — I’ve done exactly that plenty of times, and the technique in my blue-eye cod with carrot puree recipe uses a near-identical hot-pan approach, so there’s no reason the fennel and orange treatment wouldn’t sit just as well underneath it. If fennel genuinely isn’t your thing even roasted, you can drop it to one bulb and add a sliced brown fennel-free substitute like leek, though I’ll say the orange does more of the heavy lifting flavour-wise than people expect, so don’t cut that back.

Fish is one of the better places to be getting your omega-3s from generally, and healthdirect’s guidance on omega-3 fats is worth a read if you want the actual detail rather than marketing spin. For how much vegetable matter you’re meant to be getting on the plate each day, the Eat for Health vegetable guidelines are a decent benchmark, and a dinner like this one, with a full bulb of fennel and a proper handful of greens, gets most of the way there without you having to think about it.

My honest opinion, for what it’s worth: wild-caught barramundi gets talked up more than it deserves for a home cook’s purposes. Farmed fillets from a reliable fishmonger are usually more consistent in size and fat content, which matters more than pedigree when you’re trying to get the skin crisp and the timing right on a Tuesday. Buy on freshness and thickness, not on the label.

— Dave Forsythe, Golden Door Living kitchen