Seafood

Vegan substitute for Tuna

Key facts

Replaces
Tuna
Category
Seafood
Options here
4 tested swaps
Easiest swap
Mashed chickpeas + nori — 1 tin per 2 servings

Why the swap works

Tuna's role is flaky, savoury protein that carries mayonnaise, lemon and seasoning — in sandwiches, salads, pasta and melts. The texture is the easy part: mashed chickpeas flake almost identically, and grated or mashed young jackfruit shreds like tuna. The flavour needs the sea note, which comes from nori (sushi seaweed) or dulse flakes crumbled in, plus the usual tuna-salad seasoning of lemon, capers and onion. Commercial vegan tunas (soy or pea protein with algae oil) now cover the tinned-fish niche directly. Chickpea and jackfruit versions add fibre but may provide less protein, B12 and omega-3 than tuna; add an algae omega-3 supplement separately if you relied on fish for EPA and DHA.

Options, ratios and best uses

Mashed chickpeas + nori

1 tin per 2 servings

Mash roughly and add crumbled nori and vegan mayo.

Best for: sandwiches, jacket potatoes

Jackfruit

1:1

Rinse brined jackfruit well before use.

Best for: "tuna" melts

Marinated tofu

1:1

Marinate in soy, rice vinegar and kelp powder.

Best for: poke bowls, sushi

Watermelon (raw "tuna")

1:1

Dehydrate lightly and marinate in soy.

Best for: sashimi-style plates

Compare the options at a glance

Taste, texture, cost and availability of each Tuna substitute
OptionTasteTextureCostWhere to buy
Chickpea 'tuna'Savoury, takes seasoningFlaky, mashedVery lowHomemade
Jackfruit 'tuna'Mild, marine with noriShreddedLowTinned, Asian grocers
Vegan tinned 'tuna'Closest to tunaFlakyModerateSupermarkets, online
Smashed white beansMild, creamySoft flakesVery lowHomemade

Tips

  • Kelp or dulse powder gives the ocean note
  • Add capers and lemon for brightness
  • Chill an hour so flavours settle

Avoid

  • Skipping the seaweed — it is the whole flavour
  • Over-blending into paste

Three dishes with the swap applied

  1. Chickpea tuna sandwich

    Mash a tin of chickpeas with vegan mayo, crumbled nori, lemon juice, capers, diced red onion and celery; season well.

  2. Tuna-style pasta

    Fold chickpea 'tuna' through pasta with olive oil, garlic, chilli, lemon zest and parsley.

  3. Vegan tuna melt

    Spread chickpea tuna on toast, top with vegan melting cheese and grill until bubbling.

Questions people ask

Do vegans get enough omega-3 without fish?

Yes, with algal EPA/DHA — the original source fish get it from.

Best for a tuna melt?

Chickpea and nori mash with vegan mayo and a melting plant cheese.

Does it actually taste like tuna?

The nori supplies the sea flavour and the chickpeas the flaky body — most people find it close in sandwiches and salads, where mayo and seasoning dominate anyway.

What about omega-3?

Tuna's EPA and DHA come from algae; an algae-oil supplement or algal-fortified foods replace them directly.

Is jackfruit or chickpea better?

Chickpea is creamier and more nutritious; jackfruit shreds more like tuna but is low in protein — mix the two for the best of both.

Related swaps

Free to reuse under CC BY 4.0 with a link back.

A substitution is not a nutrition guarantee

Choose a replacement for the job the original ingredient performs: binding, aeration, thickening, fat or flavour. A mushroom can imitate a patty's shape while providing much less protein; a nut cream can mimic dairy texture without its calcium or B12 fortification. Check the actual product and the rest of the meal.

Ratios are starting points unless a complete recipe has been tested with that exact replacement. Brand formulation, water content and cooking method change the result. Try a small batch for important bakes, and check soy, nuts, sesame and wheat allergens even when a product is labelled vegan.

Keep exploring

Pages connected to this one across swaps, ingredients, nutrients and meals.

Ingredients

Nutrients

Meals