Mussels in tomato and basil broth, done the way they should be

Half the mussels sold in this country never get eaten properly. They get steamed in a splash of white wine, dumped on a plate, and forgotten about while everyone reaches for the chips instead. That’s a waste of a good bivalve. Mussels in tomato and basil broth is one of those dishes that takes fifteen minutes of actual cooking and rewards you with a bowl you’ll want to mop with bread until there’s nothing left but shells. I’ve been making a version of this since my Hunter Valley days, when a supplier used to drop a crate of live mussels at the back door on Tuesdays whether we’d ordered them or not.

Why this dish works without any fuss

Mussels are one of the few seafoods where the cooking liquid becomes the sauce, not an afterthought. As they steam open they release brine and sweetness straight into the pan, and if you’ve already built a decent tomato base underneath, that liquid turns into something worth drinking on its own. No fish stock, no reduction, none of the usual carry-on. You just need a hot pan, a lid, and the discipline not to peek every ten seconds.

It’s also cheap eating, which I don’t say lightly. A kilo and a half of mussels from a proper fishmonger will run you a fraction of what you’d pay for the same weight in fillets, and it feeds four generously with a loaf of decent bread alongside. If you’re after other ways to get seafood into the weekly rotation without a fuss, the ocean trout with ginger and coriander is another one I keep coming back to, and the poached salmon with fennel, orange and chilli covers similar ground for a Sunday lunch crowd.

Buying mussels properly, and why it matters

Live mussels sold in Australia come under the Australian Shellfish Quality Assurance Program, which governs where they’re farmed and how they’re handled before they hit the fishmonger’s ice. That’s not marketing detail, it’s the reason you can eat them raw off the shell if you’re that way inclined. Buy them the day you’re cooking them, keep them in the fridge under a damp tea towel, not sealed in plastic, and give every one a squeeze before it goes in the pot. If a mussel is open and doesn’t close when you tap it, bin it. Don’t be precious about this, it’s not worth the gamble.

I still do a lap of the Sydney Fish Market at Pyrmont when I’m in town, mostly out of habit, and the mussels there are as good an indicator as any of what a fresh one should look like: tight shells, a clean ocean smell, no cracks. If your fishmonger’s mussels smell like low tide at the wrong end of the harbour, walk away.

Ingredients

• 1.5kg live black mussels, scrubbed and debearded
• 2 tbsp extra virgin olive oil, plus extra to serve
• 1 brown onion, finely diced
• 3 garlic cloves, thinly sliced
• 1 small red chilli, deseeded and finely chopped (optional)
• 1/2 tsp dried chilli flakes
• 150ml dry white wine
• 400g tin good-quality crushed tomatoes
• 1 tbsp tomato paste
• 1 cup loosely packed fresh basil leaves, torn, plus extra to garnish
• Sea salt and cracked black pepper
• 1 crusty sourdough loaf, to serve
• 1 lemon, cut into wedges

Method

1. Tip the mussels into a colander and give them a proper scrub under cold running water. Pull off any beards with a firm tug towards the hinge. Discard any that are cracked, or open and won’t close when tapped on the bench.
2. Get your pan properly hot. You want a wide, heavy-based pot with a tight lid, big enough to hold all the mussels with room to shake. Add the olive oil and cook the onion over medium heat for 5 minutes, until soft but not coloured.
3. Add the garlic, fresh chilli and chilli flakes. Cook for another minute, stirring, until fragrant. Don’t let the garlic catch or it’ll turn bitter and you’ll taste it through the whole broth.
4. Pour in the white wine and let it bubble for a minute to cook off the raw alcohol edge.
5. Stir in the crushed tomatoes and tomato paste. Season with salt and pepper, then simmer uncovered for 8 to 10 minutes, until the sauce has thickened slightly and smells like more than tinned tomatoes.
6. Turn the heat to high. Tip in the mussels, put the lid on immediately, and shake the pot once to distribute them through the sauce.
7. Steam for 4 to 6 minutes, giving the pot a shake halfway through, until the shells have opened. Check at 4 minutes, don’t walk away and leave them.
8. Discard any mussels that haven’t opened after the full cooking time, they were dead before they went in and aren’t worth the risk.
9. Stir through the torn basil off the heat. Taste as you go and adjust the seasoning, tomato broth needs more salt than people expect.
10. Ladle into wide bowls with plenty of broth, scatter over the extra basil, and serve immediately with sourdough for mopping and lemon wedges on the side.

Getting the technique right

The two mistakes I see most often are overcrowding the pot and undercooking the base sauce. If your pot’s too small and the mussels are stacked three deep, the ones on the bottom will overcook before the ones on top even open, and you’ll end up with rubber. Use a pot wide enough that they’re mostly in one layer. As for the sauce, don’t rush the simmer before the mussels go in. Ten minutes isn’t long in the scheme of a Sunday cook, and it’s the difference between a broth that tastes like tinned tomatoes and one that tastes like you meant it.

I’ll be blunt about something else while I’m here. I know plenty of home cooks reach for the bagged, pre-cooked mussels sitting in the freezer section to save themselves the debearding job. Don’t bother. They’ve already been cooked once, so by the time you reheat them in a sauce they’re tough and they taste faintly of the plastic bag they travelled in. Live mussels take five extra minutes of prep and the result isn’t in the same universe.

What to serve alongside

This is a bowl-and-bread meal, not a dish that needs three sides fighting for attention. A green salad with a sharp dressing does the job, or if you want something with a bit more texture the shaved fennel and orange salad cuts through the richness of the broth nicely. If you’re feeding a bigger table and want to start with something light, the tom yum soup with chilli, lemongrass and crab dumplings shares a similar broth-forward logic and works well as a starter before mussels as the main event.

Seafood generally, mussels included, is a good source of lean protein and long-chain omega-3s, and the Australian Dietary Guidelines put two serves of fish a week on the table for good reason. Mussels are one of the more sustainable options in that basket too, according to CSIRO’s ongoing work on Australian aquaculture, since farmed mussels don’t need feeding the way finfish do.

A variation worth having up your sleeve

If you want to push this towards something a bit more Asian in character, swap the white wine for a splash of shaoxing wine, add a thumb of grated ginger with the garlic, and finish with coriander and a squeeze of lime instead of the basil and lemon. It’s a different dish entirely but the technique underneath is identical, and it sits nicely alongside something like the soba noodle bowl with sesame greens if you want to turn it into more of a spread. Either way, don’t muck about with the basics. Hot pan, fresh mussels, a decent lid, and the patience to let the sauce actually cook before the shellfish go in.

— Dave Forsythe, Golden Door Living kitchen