12 Best Sauces for Seafood and How to Use Them

A brilliant piece of seafood needs a sauce that knows when to show off and when to get out of the way. The best sauces for seafood bring brightness, savoury depth or a flicker of heat without turning fresh prawns, flaky fish or sweet scallops into an afterthought. Think zingy citrus over richness, herbs over heaviness, and enough chilli to wake up the plate.

The right bottle or quick homemade number also depends on how you are cooking. Charred fish from the barbie can handle smoke and spice. Delicate steamed snapper wants something cleaner. Oysters need a sharp little jolt, while crumbed calamari is crying out for a proper dunker.

How to choose the best sauces for seafood

Start with the seafood's texture and natural sweetness. Rich fish such as salmon, kingfish and ocean trout can take creamy, buttery or punchy sauces. Lean white fish, prawns and scallops are best with fresh, acidic flavours that keep every bite lively. Fried seafood needs contrast, so reach for tang, pickles, herbs or chilli rather than another heavy layer.

Heat is not the enemy here. It just needs purpose. A fruity chilli sauce can lift grilled prawns beautifully, while a scorching sauce with no acidity or flavour can flatten the whole meal. Taste your sauce before serving, then use it as a drizzle, a brush-on glaze or a side dip depending on how much control you want.

12 best sauces for seafood

1. Lemon garlic butter for lobster, prawns and fish

Lemon garlic butter is classic because it does two jobs at once: butter amplifies seafood's richness, while lemon stops it becoming too much. Melt butter gently with garlic, lemon zest, juice and a pinch of salt, then spoon it over grilled prawns, lobster tails or firm white fish. Keep the garlic soft rather than browned for a sweeter, cleaner result.

2. Chilli lime sauce for grilled prawns

Chilli and lime are a dead-set winner with prawns. The lime cuts through their sweetness and char, while chilli brings the good kind of trouble. Choose a bright red or green chilli sauce with real citrus character, or mix fresh lime juice into a medium-heat sauce just before serving. It is especially good brushed over prawn skewers in the final minute on the barbie.

3. Tartare sauce for crumbed fish and calamari

Tartare sauce earns its place beside fish and chips for a reason. Creamy mayo, sharp pickles, capers and herbs bring crunch, salt and acidity to a crisp crumb. Make it more interesting with finely chopped dill and a squeeze of lemon. If your fish is beer-battered or particularly rich, go generous on the pickles and capers.

4. Mignonette for oysters

For freshly shucked oysters, mignonette is all about restraint. Red wine vinegar, cracked pepper and finely diced shallot give each oyster a crisp, savoury edge without hiding that cold, briny flavour. Add a tiny touch of finger lime or lemon zest if you want an Australian twist, but do not overdo it. Oysters are already doing plenty.

5. Peri-peri sauce for charred fish

Peri-peri's mix of chilli, garlic, citrus and vinegar makes it made for the flame. It cuts through oily fish like salmon and mackerel, but it is equally handy on a whole butterflied whiting or flathead. Use it as a marinade only briefly, as acidic sauces can start changing the fish's texture. Better yet, baste it on while cooking and serve extra at the table.

6. Yuzu and soy dressing for sashimi and poke

Raw fish loves precision. A yuzu and soy dressing delivers salinity, perfume and clean acidity that works with tuna, kingfish, salmon and scallops. Add a little sesame oil and grated ginger if you are building a poke bowl. The trade-off is that soy can dominate quickly, so dress sparingly and let the fish stay centre stage.

7. Creamy dill sauce for salmon

Salmon's richness needs something cool and herbaceous. Stir chopped dill, lemon juice and a little Dijon through Greek yoghurt, crème fraîche or mayo for a sauce that feels polished but takes minutes. Yoghurt gives a lighter, tangier finish; crème fraîche is silkier and more indulgent. Either one works with hot-smoked salmon, pan-fried fillets or a big side of roast salmon for a crowd.

8. Cantonese garlic chilli sauce for steamed fish

Steamed fish can be delicate, but delicate does not mean dull. A Cantonese-style garlic chilli sauce brings savoury garlic, fragrant chilli and a little sweetness to steamed snapper, barramundi or pipis. Mat's Hot Shop Cantonese Garlic Chilli is the sort of flavour-first sauce that makes a simple fish-and-rice dinner feel like a plan, not a backup option. Spoon it over after cooking so its fresh aromatics stay loud.

9. Romesco for grilled octopus and squid

Romesco is a smoky Spanish sauce built around roasted capsicum, tomato, garlic, nuts and olive oil. It has enough body for smoky grilled octopus, seared squid and even meaty swordfish. Its nutty texture is part of the appeal, but it can feel heavy with very delicate seafood, so save it for charred, substantial pieces that can stand up to it.

10. Mango chilli sauce for fish tacos

Crisp fish tacos need something fruity, spicy and just messy enough to run down your wrist. Mango chilli sauce brings sweetness and heat to flaky white fish, crunchy cabbage and a soft tortilla. Balance it with lime, coriander and a sharp slaw. If the sauce is very sweet, add pickled jalapeños or extra lime to keep the whole thing from tipping into dessert territory.

11. Green herb sauce for scallops

Scallops are sweet, tender and ridiculously easy to overwhelm. A green herb sauce made with parsley, coriander, chives, capers, lemon and olive oil gives them lift without masking their caramelised crust. Think salsa verde rather than a thick pesto. Spoon a little underneath or beside the scallops, not over every golden surface you worked so hard to achieve.

12. Smoky chipotle mayo for fish burgers

A fish burger wants a sauce with backbone. Chipotle mayo gives smoky heat and creaminess that plays nicely with crumbed fish, slaw, pickles and a soft bun. It is less suited to raw or delicate seafood, where smoke can take over, but for a crunchy fillet burger it is exactly the point. Add lime juice for brightness and a pinch of garlic if you want it extra punchy.

A few sauce mistakes worth avoiding

Do not drown seafood before it hits the plate. Serve sauce on the side when you are working with expensive prawns, oysters or perfectly cooked fish, so everyone can choose their own level. Also watch the salt: soy, capers, anchovies and seafood itself can stack up fast.

Avoid marinating delicate fish for hours in lemon, vinegar or other acids. The outside can turn soft and cured before it ever sees the pan. Save acidic sauces for finishing, or use them in a short 10 to 20 minute marinade for firmer fish.

The easiest way to find your favourite pairing is to cook seafood simply, then try two sauces beside it. Grill some prawns, put out a citrus chilli sauce and a garlicky butter, and notice which one makes you reach for another. That is the sauce worth keeping in the fridge.