Planning your shellfish shop is mostly about matching the cut to your week. Start with two levers that decide the outcome more than almost anything else: thickness and shell. Thicker pieces (or larger whole shellfish) take longer to heat through and are easier to overdo at the edges if you rush; thinner pieces cook fast and demand attention. With shellfish, it’s less “skin-on vs skinless” (that’s more of a fish thing) and more shell-on vs shell-off: shell-on can protect texture and hold moisture during cooking, while shell-off is quicker, cleaner, and easier for midweek.
Here’s a simple way to buy by plan:
Weeknight meals → portions. Go for portionable, ready-to-cook formats: peeled prawns, shelled mussel meat, squid rings, scallops, or mixed packs designed for speed. Predictable weights mean predictable pans: less waste, faster prep, easier portion control.
Grilling → where available. Choose shellfish that can handle direct heat: larger prawns (often shell-on), squid (tubes or thicker cuts), big scallops, and anything labelled as grill-ready. For grilling, thickness is your friend — thin, delicate pieces can dry out before you get colour.
Entertaining → variety + theatre. Mixed shellfish selections, larger-format packs, and shareable centrepieces work well: shell-on prawns, scallops, mussels, or a curated mix for platters and pastas. Shell-on options tend to look and feel more “occasion” while helping protect texture under heat.
Prep-it-yourself → whole shellfish. If you like doing the finishing work, buy whole shellfish where stocked (think whole prawns, shell-on items, larger pieces you can trim and portion). You control the portion size, presentation, and how gently you cook it.
Special occasions → smoked/cured lines. Where available, smoked or cured seafood lines (often more common with fish than shellfish, but stocked ranges vary) are for “open-pack, plate-up” moments — minimal cooking, maximum impact. Treat them as ready-for-specific-uses items and follow the product details.
If you only buy one thing: a versatile “weeknight portions” pack (like peeled prawns or a mixed shellfish pack) because it covers stir-fries, pasta, rice dishes, and quick sauces without planning your whole week around it.
Pick the cut that matches your heat source and your timing.