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Spaghetti alla marinara with clams, mussels, shrimp, and squid in a garlic chili oil sauce. A seafood pasta main with bright, savory, and briny depth.
This seafood spaghetti is driven by shellfish juices and garlic chili oil rather than heavy cream or butter. It is savory, briny, and bright, with layered texture from clams, mussels, shrimp, and squid.
The method is straightforward but timing-sensitive. Shellfish and pasta should be finished close together to keep texture at its best.
Garlic chili oil provides mellow heat and aromatic depth. Shellfish liquor brings natural salinity and sweetness that forms the backbone of the sauce.
Parsley at the end keeps the finish fresh and lifts the richer seafood notes.
A mixed shellfish set gives better flavor balance than one seafood type alone. Shrimp and squid are cooked briefly to avoid toughness.
Spaghetti works well because it absorbs thin seafood sauces without becoming too heavy.
Prepare garlic chili oil on low heat. Steam clams and mussels separately and strain their cooking liquid.
Cook pasta al dente, then toss in the seafood sauce with reserved water until glossy. Add shrimp and squid, then return clams and mussels just before serving.
Remove shellfish as soon as they open. Overcooking makes them chewy.
Do not boil the finished sauce aggressively; keep it at a gentle simmer for cleaner texture and flavor.
If one shellfish type is unavailable, increase another in equal total weight. Chili level can be reduced for a milder version.
Linguine can replace spaghetti if preferred.
To lower cholesterol, reduce shrimp quantity and increase mussels or clams. Pair with a larger side of vegetables and moderate pasta portion.
Avoid extra cheese or butter, which are unnecessary in this sauce style.
Garlic chili oil can be prepared ahead. Shellfish and pasta should be cooked fresh for best texture and food safety.
Leftovers keep one day chilled; reheat gently with a splash of water.
Buy shellfish by season and choose a smaller mixed batch rather than large single premium species. Frozen cleaned squid can reduce prep waste.
Dry pasta and parsley keep cost predictable while still delivering flavor.
One serving is about 1 bowl (around 430 g) as a complete seafood main. On training days, keep full serving or add fruit for extra carbs. On rest days, reduce pasta slightly and pair with additional vegetables.
Local grocery side vegetables include broccoli, green beans, spinach, peas, mushrooms, onions, courgette, frozen mixed veg, and tenderstem broccoli.
Spaghetti alla marinara with clams, mussels, shrimp, and squid in a garlic chili oil sauce. A seafood pasta main with bright, savory, and briny depth.

Keep garlic-chili oil on low heat so aromatics soften without browning.
Add shrimp and squid near the end to keep them tender.
Strain shellfish liquid before adding to sauce.
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Add olive oil, garlic, chili, and shallot to a small saucepan.
Cook over very low heat for 10 to 12 minutes until softened and aromatic.
Remove from heat.
Heat a large skillet over high heat.
Add clams, cover, and cook until they open; remove opened clams.
Repeat with mussels.
Strain shellfish liquid through a fine-mesh sieve and reserve.
Discard unopened shellfish.
Cook spaghetti in salted boiling water until very al dente.
Reserve 360 ml (1.5 cups) pasta water, then drain.
Add garlic chili oil and strained shellfish liquid to the large skillet and bring to a gentle simmer.
Add spaghetti and toss until coated, adding pasta water as needed.
Add shrimp and squid and cook 2 to 3 minutes until just opaque.
Add clams, mussels, and parsley; toss briefly and serve.
12/23/2025
Great for festive dinner. I used clams and mussels only.
12/18/2025
Turned out perfectly and the seafood stayed tender.
12/12/2025
The confit style oil made it taste restaurant-level.
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Serving Size: 1 bowl (about 430 g)
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
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