Spicy Lump Crab and Avocado Salad

⏲ ~41 min total · prep 16 · cook 25 · 4 servings

Lunch⏱ 20 min total🔥 5.0g net carbs

By the KFI Test Kitchen · Tested & approved by Jason Lieu, KFI recipe editor

Published Sep 15, 2026 · Updated Sep 15, 2026

Spicy Lump Crab and Avocado Salad

Ingredients

Instructions

  1. Whisk the mayonnaise, sriracha, lime juice, and salt in a large bowl until smooth.
  2. Add the celery, red onion, and cilantro and stir to coat.
  3. Gently fold in the crabmeat with a rubber spatula, turning just until combined so the lumps stay intact.
  4. Halve, pit, and peel the avocados; slice each half into thick wedges.
  5. Divide the lettuce among 4 plates, top with the avocado wedges, and spoon the crab mixture alongside.
  6. Serve right away with lime wedges and an extra drizzle of sriracha.

Why this recipe works

Tips for making this recipe well

Pick over the crab

Even the best lump crab hides a fragment of shell. Spread it on a plate and run your fingers through it once. Finding a shell at the table ruins the dish; finding it at the counter takes ten seconds.

Fold, do not stir

Turn the crab through the dressing with a rubber spatula only until combined. Stirring in circles grinds the lumps into shreds. You are dressing the crab, not mixing a dip.

Dress the veg first

Celery, red onion, and cilantro get coated in the dressing before the crab arrives, so the onion can sit in the acid and lose its harsh edge. It also means less folding later, which keeps the lumps whole.

Sriracha to taste

Two teaspoons is a warm baseline, not a dare. Taste after the first fold and add more by the quarter teaspoon. The lime and salt round it out, so judge the heat with the full dressing mixed.

Assemble at the last minute

The avocado browns and the lettuce weeps once dressed, so plate right before eating. The crab mixture itself holds for a few hours in the fridge, which makes entertaining easier. Everything else waits.

Serving suggestions

Divide the butter lettuce among four plates, tuck avocado wedges against it, and spoon the crab alongside rather than on top, which keeps the greens from wilting. Lime wedges and an extra drizzle of sriracha finish it. At 5.0 net carbs, this is a complete lunch on its own, though cucumber spears or pork rinds for scooping suit the plate. Serve it chilled, straight from the fridge, on the warmest day of the month.

Storage and meal prep

The crab mixture keeps 3 to 4 days refrigerated in a covered container, best within the first two; stir gently before serving again since dressing settles. Do not freeze it, as mayonnaise breaks and crab turns watery. Avocado does not hold once sliced, so cut only what you serve and keep the rest whole with the pit in and the surface oiled. Assemble each plate fresh for the same reason.

Variations worth trying

Frequently asked questions

What kind of crab should I buy?

Lump crabmeat, picked over for shells as the recipe says. Jumbo lump is worth it when the budget allows, since whole lumps are the texture of the dish. Backfin works and costs less with more broken pieces.

Can I make it ahead?

The crab mixture holds a day in the fridge and the flavors actually settle in that time. Assemble the plates right before serving, since the avocado browns and the lettuce wilts within the hour. Slice avocados at the last minute.

How spicy is it?

Mildly warm at the written 2 teaspoons of sriracha, more of a background hum than a burn. The mayonnaise and avocado soften it further. Add more by the quarter teaspoon if you want it louder.

Can I use light mayo?

You can, though full-fat mayonnaise carries the dressing better and suits a keto plate anyway. Light versions are watery and thin out the dressing. The 5.0 net carbs leaves room for the real thing.

The avocado browned before serving. Can I stop that?

Acid slows it, so an extra squeeze of the lime juice over the cut wedges helps. The real fix is timing: slice avocados last, right before the plates go out. Chilled wedges brown slower than room-temperature ones too.

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