Seafood salad is the deli-case classic that costs $8–10 a pound behind the glass and about half that made at home from a package of flake-style imitation crab — and yours will taste brighter, because supermarket versions lean on extra sugar and a heavy hand of mayo to survive days in the case. The homemade formula is simple: crab, crunch, and a dressing with actual acid in it.

Ingredients (serves 4)

1 lb flake-style imitation crab — flake is the traditional deli cut; sticks work if you chop them (brand guide)
2 celery stalks, finely diced, + 2 tbsp finely diced red onion
½ cup mayonnaise + 1 tsp Dijon mustard
1 tbsp lemon juice and 1 tbsp chopped fresh dill (or 1 tsp dried)
¼ tsp black pepper; pinch of Old Bay if you like

Method

Break the crab into bite-size pieces by hand — you want irregular chunks with some intact flakes, not a uniform mince.
Whisk the mayo, Dijon, lemon juice, dill, and pepper into a dressing.
Fold everything together gently. Overmixing shreds the crab into paste.
Chill 30 minutes if you have it — the flavors settle in noticeably. Straight away is still good.

No added salt is deliberate: surimi carries 500–800 mg of sodium per 3 oz on its own (details in our nutrition guide), and the mayo and Dijon bring more. Taste at the end; it almost never needs any.

Four ways to serve it

Sandwich: on soft white or a toasted brioche bun with lettuce — the deli standard. A croissant turns it into café lunch.
Wrap: a large flour tortilla with shredded lettuce and a few cucumber batons, rolled tight and halved on the bias.
Over greens: a scoop on dressed salad greens keeps it light — in the same spirit as our kani cucumber salad.
With crackers: set it out cold with sturdy crackers and it plays the same role as a cold crab dip at a party.

Flake-style imitation crab →

Storage

Covered in the fridge, the finished salad keeps 3 days — the celery softens a little after the first day but the flavor holds. Don't freeze it; mayonnaise dressings split on thawing. The unused portion of an opened crab package follows the standard 3–4 day rule.

Variations

Japanese-leaning: swap the mayo for kewpie, the dill for scallions, and add a dash of sriracha — you've arrived at kani salad from the other direction.
Shrimp & crab: replace half the crab with chopped cooked shrimp for the "seafood medley" deli version.
Lighter: half mayo, half plain Greek yogurt, plus extra lemon.

Picnic and lunchbox safety

Seafood salad's reputation as a risky picnic dish is really a mayonnaise-temperature story, and the rule is simple: no more than 2 hours between the fridge and the last bite (1 hour if it's above 90°F outside). Pack it against an ice pack in an insulated bag and it travels fine. For lunchboxes, keep the salad in its own small container and assemble the sandwich at lunchtime — pre-built sandwiches go soggy by mid-morning. The crab itself is fully cooked and ready to eat cold, which is exactly what makes it such a good lunch protein; the handling rules that matter are the same ones in our allergies & safety guide.

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