How to Buy Fresh Scallops: Dry vs. Wet, Freshness Indicators, and How to Cook Them

by Oleg Nikitenko May 14, 2023

How to Buy Fresh Scallops: Dry vs. Wet, Freshness Indicators, and How to Cook Them

Scallops are one of the most rewarding seafood ingredients to cook — when they are right, a perfectly seared scallop with a deep golden crust and a sweet, tender interior is one of the great simple pleasures of seafood cooking. When they are wrong — wet-packed, old, or improperly cooked — they steam in their own liquid, turn rubbery, and taste of nothing.

The difference between those two outcomes starts at the point of purchase. This guide covers the most important buying distinction (dry vs. wet scallops), how to identify freshness in live and shucked scallops, how to store them, and the correct cooking technique.

🔗 Alaskan Pink Scallops (Live) | 🔗 Scallop Collection

The Most Important Distinction: Dry vs. Wet Scallops

This is the single most important thing to know when buying shucked scallops. Most scallops sold at retail are treated with sodium tripolyphosphate (STP) — a preservative that causes the scallop to absorb water, increasing its weight by 20–30% and extending its shelf life. These are called wet scallops.

Dry scallops have not been treated with STP. They contain only their natural moisture.

The difference matters enormously for cooking:

Wet scallops release the absorbed water when they hit the pan, which drops the pan temperature and causes the scallop to steam rather than sear. The result: a grey, rubbery scallop with no crust and a slightly soapy, chemical aftertaste from the STP.
Dry scallops sear properly — the natural sugars in the scallop caramelize on contact with the hot pan, producing the deep golden-brown crust that makes seared scallops exceptional. The flavor is clean, sweet, and oceanic.

How to identify dry vs. wet scallops:

Color: Dry scallops are ivory to light beige — sometimes with a slight pink or orange tint. Wet scallops are bright white (the STP bleaches them).
Liquid in the package: Dry scallops have little to no liquid in the package. Wet scallops sit in a pool of milky white liquid.
Label: Look for "dry" or "dry-packed" on the label. "Chemical-free" or "no additives" also indicates dry scallops. If the label says nothing, assume wet.
Price: Dry scallops are more expensive per pound because they weigh less (no added water). If the price seems too good, they are probably wet.

Always buy dry scallops for searing. Wet scallops can be used in chowders, pasta, or other preparations where the sear is not the point — but for the classic pan-seared scallop, dry is non-negotiable.

Freshness Indicators: Live Scallops in the Shell

Live scallops in the shell are the freshest form available and are the best choice when you can find them. Here is what to look for:

Shell response: A live scallop will close its shell (or at least react) when touched. A scallop that is open and does not respond when touched is dead and should not be purchased.
Shell condition: The shell should be intact — no cracks, chips, or breaks. A damaged shell compromises the scallop inside.
Smell: Fresh live scallops smell clean and oceanic — like the sea. Any sour, ammonia-like, or off smell indicates the scallop is not fresh.
Adductor muscle: The adductor muscle (the round white muscle that is the edible part of the scallop) should be firmly attached to the shell. A muscle that has detached from the shell indicates the scallop has died.
Liquor: The liquid inside the shell (the scallop liquor) should be clear. Cloudy or discolored liquor indicates age or spoilage.

Freshness Indicators: Shucked Scallops

Most scallops are sold shucked (out of the shell). Here is what to look for:

Color: Dry scallops should be ivory to light beige, sometimes with a slight pink or orange tint. Bright white color indicates wet-packed (STP-treated) scallops.
Smell: Fresh scallops smell mildly sweet and oceanic. Any sour, fishy, or ammonia-like smell indicates age or spoilage.
Texture: Fresh scallops are firm and slightly springy to the touch. Soft, mushy, or slimy texture indicates age or improper storage.
Liquid: Dry scallops have little to no liquid in the package. Excessive milky white liquid indicates wet-packed scallops.
Uniformity: Fresh scallops should be plump and uniform in shape. Shrunken or irregular scallops may have been improperly stored or are old.

Scallop Types: Sea Scallops vs. Bay Scallops vs. Pink Scallops

Sea scallops (Placopecten magellanicus) — the large scallops (1.5–2 inches diameter) most commonly found at restaurants; harvested from the Atlantic Ocean; the best choice for pan-searing
Bay scallops (Argopecten irradians) — small (0.5–0.75 inches diameter); sweeter and more delicate than sea scallops; harvested from shallow bays and estuaries; best for pasta, chowder, and quick sautés rather than searing
Alaskan pink scallops (Chlamys rubida) — small live scallops harvested from Alaskan waters; sold in the shell; sweet, briny flavor; best steamed or roasted in the shell

Storage: How to Keep Scallops Fresh

Live Scallops (in the shell)

Store cup-side down on a bed of ice in the refrigerator, covered with a damp towel. Do not store in an airtight container or submerged in water. Live scallops keep for 1–2 days after purchase — cook as soon as possible for best flavor.

Shucked Scallops

Store in the coldest part of the refrigerator (32–34°F) in their original packaging or in an airtight container on a bed of ice. Use within 1–2 days of purchase. Do not store at room temperature — scallops are highly perishable.

Frozen Scallops

Properly frozen dry-packed scallops are an excellent option — they are often frozen at sea within hours of harvest and can be superior to "fresh" scallops that have been sitting at a fish counter for several days. Thaw overnight in the refrigerator; pat completely dry before cooking. Do not thaw in warm water.

How to Cook Scallops: The Sear

The pan sear is the definitive preparation for sea scallops. The goal: a deep golden-brown crust on both flat sides, with a just-opaque, slightly translucent center. The technique is simple but unforgiving — every step matters.

Start with dry scallops. Wet scallops will not sear properly (see above).
Pat completely dry. Use paper towels to remove all surface moisture. Any moisture on the surface will steam rather than sear. This is the most important step.
Season just before cooking. Salt draws moisture to the surface; season immediately before the scallop goes in the pan, not in advance.
Use a very hot pan. Cast iron or stainless steel; heat over high heat until the pan is smoking. A pan that is not hot enough will not produce a proper sear.
Use a high smoke-point oil. Avocado oil, grapeseed oil, or clarified butter. Do not use olive oil — it will smoke and burn before the pan reaches the correct temperature.
Do not move the scallops. Place them in the pan and do not touch them for 90 seconds to 2 minutes. They will release from the pan naturally when the crust has formed. If they stick, they are not ready.
Flip once. Sear the second side for 60–90 seconds. Add 1 tbsp butter and baste briefly.
Rest for 1 minute before serving. The center should be just opaque — slightly translucent in the very center is ideal.

Shop Scallops

🔗 Alaskan Pink Scallops (Live) — Wild-caught; sweet and briny; best steamed or roasted in the shell
🔗 Scallop Collection

🎥 Watch scallop cooking tutorials on the Global Seafoods YouTube Channel

FAQs: Buying and Cooking Fresh Scallops

Q1: What is the difference between dry and wet scallops?

Dry scallops have not been treated with any preservatives and contain only their natural moisture. Wet scallops have been treated with sodium tripolyphosphate (STP), a preservative that causes the scallop to absorb water — increasing its weight by 20–30% and turning it bright white. Wet scallops release this absorbed water when they hit the pan, which prevents a proper sear and produces a grey, rubbery result with a slightly soapy aftertaste. Dry scallops sear properly, developing a deep golden-brown crust and a clean, sweet flavor. Always buy dry scallops for pan-searing.

Q2: Can frozen scallops be as good as fresh?

Yes — properly frozen dry-packed scallops can be excellent, and are often superior to "fresh" scallops that have been sitting at a fish counter for several days. Scallops frozen at sea within hours of harvest retain their flavor and texture well. The key is to buy dry-packed frozen scallops (not wet-packed), thaw them overnight in the refrigerator, and pat them completely dry before cooking. The main advantage of truly fresh scallops is the ability to verify freshness directly — but a good frozen dry-packed scallop from a reputable supplier is a reliable choice.

Q3: Why won't my scallops sear properly?

Three likely causes: the scallops are wet-packed (STP-treated) and releasing absorbed water into the pan; the scallops were not patted dry before cooking; or the pan was not hot enough. The fix: buy dry-packed scallops; pat completely dry with paper towels immediately before cooking; heat a cast-iron or stainless pan over high heat until smoking before adding the scallops; do not move the scallops for at least 90 seconds after placing them in the pan. If the scallops are releasing liquid into the pan, remove them, pour off the liquid, increase the heat, and try again — or accept that wet-packed scallops will not sear properly regardless of technique.

Q4: How do I know when scallops are cooked through?

Scallops are done when the center is just opaque — slightly translucent in the very center is ideal and indicates the scallop is cooked through but not overcooked. Overcooked scallops become rubbery and tough; the window between perfectly cooked and overcooked is narrow (30–60 seconds). Visual cues: the sides of the scallop will turn from translucent to opaque as it cooks; when the opacity has reached approximately two-thirds of the way up the side, it is time to flip. After flipping, 60–90 seconds on the second side is typically sufficient for a 1.5-inch sea scallop.