how long can frozen prawns be kept
If you've bought frozen shrimp in their original packaging, the packaging will often have a Use-by or Best before date on it. That's the vendor's estimate of how long your shrimp will retain their best flavor and quality.Usually it will be 4 to 6 months for uncooked shrimp, or about half that for cooked.You can still eat them after that time -- they'll be safe for as long as they stay properly frozen -- but their texture will suffer, they'll begin to acquire off-flavors from the freezer, and eventually they'll succumb to freezer burn.ow to Do It. 1  For the best storage life, divide the frozen shrimp into meal-sized portions as soon as you get home. 2  Use a vacuum-sealer, if you have one, to extract as much air as possible. 3  Otherwise, use regular freezer bags but suck out as much air as you can, through a straw, before sealing.