Selecting Fresh Shellfish
A dinner centered on shellfish succeeds or fails at the market counter. You are looking for vitality and clean, salt-forward aromas that reflect a healthy harvest.
Trust your eyes and your nose above all else.
Shellfish are highly perishable and require careful inspection at the point of sale. Keep them cold and ventilated once you leave the store.
- mesh bag for transport
- cooler with ice packs
What goes in.
- As neededLive bivalves (oysters, mussels, clams)
- As neededLive crustaceans (lobsters, crabs)
Closing the Shell
Always tap an open oyster or clam against the counter. If it does not retract and close its shell immediately, the muscle is dead and it must be discarded.
The method.
Inspect bivalve shells
Check that all oyster, clam, and mussel shells are closed tightly. If you find one slightly agape, give it a firm tap; if it stays open, discard it.
Check for damage
Look for cracked shells or chipped edges. A broken shell indicates the shellfish has lost its ability to hold the essential liquor inside, which invites bacteria.
Assess crustacean movement
Lobsters and crabs should be active. Their legs should move frequently, and their eyes should respond if you approach them. Sluggishness is a sign of poor handling.
Smell for freshness
The shellfish should smell like a clean, crisp tide pool. Any hint of ammonia, sulfur, or intense fishiness is a warning sign of spoilage.
When it doesn't go to plan.
Always store bivalves in the refrigerator under a damp towel, never submerged in fresh water.
Ask your fishmonger for the harvest date; the closer it is to today, the better.
Discard any shellfish that remains closed after cooking, as it was likely dead before it hit the heat.
The ones that keep coming up.
Can I keep shellfish in a sealed plastic bag?
Never. Shellfish need to breathe. Keep them in a mesh bag or an open container in the refrigerator.
Why do some clams have sand inside?
Sand is natural for filter feeders living on the sea floor. Proper purging in salted water at home helps, but choosing shellfish from reputable sources reduces the grit significantly.
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