Shrimp isn’t usually what I’d consider a value buy at the grocery store. But as a busy parent, I can’t deny how delicious and convenient it is, so I almost always keep a bag in my freezer.
Whenever I’m standing in the frozen foods aisle, I spend an extra minute comparing my options. I check the price per pound and the size of the shrimp, decide whether I want them peeled or shell-on, and debate whether the jumbo shrimp are worth the extra cost. On a recent shopping trip, one bag caught my attention for an entirely different reason.
Instead of individual shrimp, I found a bag buried under a thick layer of frost, with several shrimp frozen into one solid clump. From my years working in the food industry, I knew that bag wasn’t coming home with me.
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Not all ice crystals are a problem, but they can tell you a lot about how frozen shrimp has been handled and stored. Knowing what to look for can help you avoid a disappointing bag of shrimp before it ends up in your cart.
Prawns Vs. Shrimp
Various types of shrimp displayed on ice at a seafood market
The First Thing To Check Before Buying Frozen Shrimp
A light coating of frost is completely normal. But if you see a thick layer of frost, large ice crystals, or shrimp frozen into solid blocks, leave that bag behind. Those are signs the shrimp haven’t been stored properly and may have experienced temperature fluctuations or been exposed to air, allowing moisture to escape.
While this usually isn’t a food safety issue, it can take a toll on quality. Moisture loss can leave the shrimp dry, tough, or mushy instead of firm and naturally sweet.
What Good Frozen Shrimp Looks Like
For a better bag of shrimp, seek out labels that say “IQF,” indicating Individually Quick Frozen, or “Flash Frozen.” These bags will contain loose, separate shrimp that move freely when you shake the bag. The package itself should also be tightly sealed, with no tears, punctures, or crushed corners.
It’s also helpful to understand the difference between bad ice buildup and a helpful glaze. Many seafood processors intentionally coat each shrimp in a very thin, glossy layer of ice, which acts as a barrier against freezer burn. Look for a light, clear coating, not thick chunks of white frost or anything that clouds up the bag.
Fresh vs. Frozen: More Tips for Buying Shrimp
If you usually shop at the seafood counter, here’s something worth knowing: most “fresh” shrimp has actually been previously frozen and simply thawed for display. If you’re not planning to cook it the same day or the next, buying frozen shrimp is often the better choice because you can thaw it yourself when you’re ready to use it.
If you do buy shrimp at the counter, according to the U.S. Food & Drug Administration, it should smell clean with little to no odor, never sharp or ammonia-like. The flesh should be clear and pearly, with no discoloration or fading. When shopping for frozen bags, grab from the very bottom or the back of the grocery freezer case, where temperatures are most consistent, and keep them cool until check-out time.
As a busy parent, I can’t recommend keeping a bag of shrimp in the freezer often enough. It’s a fast, comforting weeknight staple that’s just as good in casual tacos as it is on a surf-and-turf date night. Just remember to check that bag!
