25 Best Keto Tuna Salad Recipes

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25 Best Keto Tuna Salad Recipes
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25 Best Keto Tuna Salad Recipes 🐟

It’s 12:40, you’re starving, the fridge is almost empty, and a drive-thru is calling. Meanwhile, a tin of tuna in your cupboard can be a satisfying, low-carb lunch in 10 minutes with no cooking and one bowl. These are 25 complete recipes, from classic to spicy to lettuce wraps and bowls, written so you can follow them without guessing.

⏱ 10 minutes🔥 No cooking🥑 Under 5 g net carbs💰 Budget-friendly

Why tuna salad disappoints (and the fix)

Search results and keto communities are full of the same complaints. Every one is solved somewhere in this guide.

😩 “It’s boring.”Five flavour families, 25 recipes. You won’t repeat a lunch for weeks.
💧 “It goes watery.”The press-and-dry method in Recipe 1 fixes this for good.
🤢 “Is meal prep safe?”Exact fridge times and a transport rule are in the meal-prep section.
🍞 “What do I eat it on?”Wraps, chaffle melts, cloud bread, peppers and bowls.
💸 “Keto costs too much.”A budget tuna guide shows where to save.
🧂 “I hate mayo.”No-mayo, yoghurt, avocado and cottage-cheese versions.

Recipe 1: the 10-minute base 🥄

Learn this once and every other recipe is a small swap. Most people skip the most important step: dry the tuna first. That is the difference between creamy and soupy.

Classic Keto Tuna Salad

⏱ 10 min🍽 Serves 2🥑 ~2 g net carbs💪 ~28 g protein🧊 Keeps 3 to 5 days

Ingredients

  • 2 tins (5 oz / 140 g each) tuna in water or olive oil
  • 3 tbsp mayonnaise (avocado or olive oil, no added sugar)
  • 1 tsp Dijon mustard
  • 1 tbsp fresh lemon juice
  • 1 celery rib, finely diced (about ¼ cup)
  • 2 tbsp red onion, minced
  • 1 tbsp dill pickle, chopped (unsweetened)
  • ¼ tsp salt and ¼ tsp black pepper
  • Pinch of paprika to finish

Method

  1. Dry the tuna. Open the tins, press the lid down hard and tip out every drop. For extra insurance, press the tuna in a sieve with a spoon.
  2. Flake it. Tip into a bowl and break up with a fork into fine flakes, not a paste.
  3. Tame the onion. Rinse the minced onion under cold water for 20 seconds. It stays crisp but turns mild.
  4. Mix the dressing. Stir mayo, mustard and lemon juice, then fold into the tuna.
  5. Add crunch. Fold in celery, onion and pickle. Season with salt and pepper.
  6. Rest. Chill 10 minutes so the flavours settle, then top with paprika.

Too thick? Add a teaspoon of pickle brine, not more mayo. Too bland? More lemon and salt, not more mayo.

🎬 Watch: a 5-minute keto tuna salad, start to finishNot playing? Open on YouTube

Recipes 2 to 6: the base, reinvented

Each recipe is complete and serves 2. Tap to open.

2

Creamy Avocado Tuna Salad8 min · ~3 g net carbs · mayo-free

Ingredients

  • 2 tins tuna, well drained
  • 1 large ripe avocado
  • 1 tbsp lime juice
  • 2 tbsp red onion, minced
  • 2 tbsp fresh cilantro, chopped
  • ½ tsp salt, pinch of pepper
  • Optional: 1 tbsp mayo for extra richness

Method

  1. Halve the avocado, remove the stone and scoop the flesh into a bowl.
  2. Mash with lime juice and salt until mostly smooth but still slightly chunky.
  3. Flake the dry tuna into the avocado.
  4. Fold in onion, cilantro and pepper. Taste and add more lime if needed.
  5. Serve at once, or press cling film directly onto the surface to stop browning.

Eat within 24 hours. This is the one version that doesn’t keep well.

3

Buffalo Tuna Salad8 min · ~2 g net carbs · spicy

Ingredients

  • 2 tins tuna, drained
  • 3 tbsp mayonnaise
  • 2 tbsp hot sauce (sugar-free, Frank’s style)
  • 1 celery rib, finely diced
  • 1 tbsp crumbled blue cheese
  • 1 tsp garlic powder
  • Black pepper

Method

  1. Whisk mayo, hot sauce and garlic powder until smooth and orange.
  2. Flake the dry tuna into the bowl and fold to coat.
  3. Fold in the celery for crunch.
  4. Top with blue cheese and pepper.
  5. Serve in celery boats or lettuce cups.

Start with 1 tbsp hot sauce and taste. Heat builds as it chills.

4

Greek-Yoghurt Tuna Salad8 min · ~4 g net carbs · high protein

Ingredients

  • 2 tins tuna, drained
  • ⅓ cup full-fat plain Greek yoghurt
  • 1 tsp Dijon mustard
  • 1 tbsp lemon juice
  • 1 tbsp fresh dill, chopped
  • 1 celery rib, diced
  • ¼ tsp salt, pepper

Method

  1. Stir yoghurt, mustard, lemon and dill in a bowl.
  2. Flake in the dry tuna and fold gently.
  3. Add celery, salt and pepper.
  4. Rest 10 minutes. The yoghurt thickens slightly as it sits.

Use full-fat only. Low-fat yoghurt is thinner and often has added sugar.

5

No-Mayo Olive Oil & Lemon Tuna7 min · ~2 g net carbs · picnic-friendly

Ingredients

  • 2 tins tuna in olive oil (drain only half)
  • 1 tbsp extra-virgin olive oil
  • 1 tbsp lemon juice plus a little zest
  • 1 tbsp capers
  • 2 tbsp flat-leaf parsley, chopped
  • 2 tbsp red onion, minced
  • ¼ tsp salt, pinch of chilli flakes

Method

  1. Flake the tuna with a little of its own oil.
  2. Add olive oil, lemon juice and zest.
  3. Stir in capers, parsley and onion.
  4. Season with salt and chilli. Serve over rocket or cucumber slices.

Best for lunchboxes that sit without an ice pack for an hour.

6

Egg & Tuna Salad (or Cottage-Cheese Version)12 min · ~2 g net carbs · ~34 g protein

Ingredients

  • 2 tins tuna, drained
  • 3 hard-boiled eggs, chopped
  • 3 tbsp mayonnaise
  • 1 tsp mustard
  • 1 celery rib, diced
  • 2 tbsp chives, snipped
  • Salt and pepper
  • Cottage-cheese swap: replace the mayo with ½ cup full-fat cottage cheese and add 1 tbsp lemon juice

Method

  1. Boil eggs for 10 minutes, cool in ice water, peel and chop.
  2. Mix mayo (or cottage cheese) with mustard.
  3. Fold in tuna, eggs, celery and chives.
  4. Season. For a smoother cottage-cheese version, mash it with a fork first.

Drain cottage cheese on a paper towel so the salad stays thick.

Classic & avocado favourites

7

Dill Pickle Deli Tuna8 min · ~3 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 3 tbsp mayonnaise
  • 3 tbsp dill pickles, chopped
  • 1 tbsp pickle brine
  • 1 tsp Dijon mustard
  • 2 tbsp celery, diced
  • ½ tsp garlic powder, pepper

Method

  1. Whisk mayo, brine, mustard and garlic powder.
  2. Fold in the dry, flaked tuna.
  3. Add pickles and celery.
  4. Chill 10 minutes. It tastes like the deli counter, minus the bread.
8

Tuna-Stuffed Avocado Boats10 min · ~4 g net carbs

Ingredients

  • 1 batch Recipe 1
  • 2 ripe avocados, halved and pitted
  • 1 tbsp lime juice
  • Flaky salt and paprika

Method

  1. Scoop a spoonful of flesh from each half to make a deeper well.
  2. Mash the scooped flesh into the tuna salad.
  3. Brush the cut avocado with lime juice so it stays green.
  4. Pile the tuna into the halves and finish with flaky salt and paprika.

Assemble just before eating.

9

Lemon-Caper Mediterranean Tuna8 min · ~3 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 2 tbsp mayonnaise
  • 1 tbsp olive oil
  • 1 tbsp lemon juice and zest
  • 1 tbsp capers
  • 6 olives, chopped
  • 2 tbsp parsley, chopped

Method

  1. Whisk mayo, oil, lemon juice and zest.
  2. Fold in flaked tuna.
  3. Stir in capers, olives and parsley.
  4. Season with pepper and serve in mini peppers.
🎬 Watch: tuna and avocado wraps (see Recipes 2 and 8)Not playing? Open on YouTube

Spicy & Mexican tuna

10

Sriracha-Lime Spicy Tuna7 min · ~2 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 3 tbsp mayonnaise
  • 1 tbsp sugar-free sriracha
  • 1 tbsp lime juice
  • 1 tsp sesame oil
  • 2 tbsp spring onion, sliced
  • Cucumber rounds to serve

Method

  1. Stir mayo, sriracha, lime juice and sesame oil.
  2. Fold in the flaked, dry tuna.
  3. Add spring onion.
  4. Scoop onto cucumber rounds like sushi bites.
11

Chipotle-Lime Mexican Tuna8 min · ~3 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 2 tbsp mayonnaise
  • 2 tbsp sour cream
  • 1 tsp chipotle in adobo, minced
  • 1 tbsp lime juice
  • 2 tbsp cilantro, 2 tbsp red onion
  • ½ tsp cumin, salt

Method

  1. Mix mayo, sour cream, chipotle, lime and cumin.
  2. Fold in the dry tuna.
  3. Add cilantro and onion, then salt to taste.
  4. Chill 15 minutes. The smoky flavour deepens.
12

Jalapeño Popper Tuna10 min · ~3 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 3 tbsp cream cheese, softened
  • 1 tbsp mayonnaise
  • 1 pickled jalapeño, minced
  • ¼ cup shredded cheddar
  • 2 strips cooked bacon, crumbled

Method

  1. Beat cream cheese and mayo until smooth.
  2. Fold in tuna, jalapeño and cheddar.
  3. Top with bacon. Serve cold.
  4. Optional: spoon into halved mini peppers and bake at 200°C / 400°F for 12 minutes.
13

Taco Tuna Cups10 min · ~4 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 2 tbsp mayonnaise
  • 1 tsp sugar-free taco seasoning
  • 4 romaine hearts or endive leaves
  • ¼ avocado, diced
  • 2 tbsp salsa, shredded cheese

Method

  1. Mix tuna, mayo and taco seasoning.
  2. Arrange leaves on a plate.
  3. Spoon in the tuna.
  4. Top with avocado, salsa and cheese.

Lettuce wraps

14

Butter Lettuce Classic Wraps8 min · ~3 g net carbs

Ingredients

  • 1 batch Recipe 1
  • 6 large butter lettuce leaves
  • ½ cucumber, cut in thin strips
  • 1 radish, thinly sliced

Method

  1. Wash leaves and dry them completely. Wet leaves make soggy wraps.
  2. Lay cucumber strips in each cup.
  3. Spoon in the tuna and top with radish.
  4. Fold like a taco and eat straight away.
15

Sesame-Ginger Asian Wraps10 min · ~3 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 2 tbsp mayonnaise
  • 1 tsp sesame oil
  • 1 tsp coconut aminos or tamari
  • ½ tsp grated fresh ginger
  • 1 tbsp spring onion, 1 tsp sesame seeds
  • 6 lettuce leaves

Method

  1. Mix mayo, sesame oil, aminos and ginger.
  2. Fold in tuna and spring onion.
  3. Spoon into leaves.
  4. Finish with sesame seeds.
16

Pesto Tuna Cups7 min · ~3 g net carbs

Ingredients

  • 2 tins tuna, drained
  • 2 tbsp mayonnaise
  • 1½ tbsp basil pesto
  • 2 tbsp sun-dried tomatoes, chopped
  • 2 tbsp grated parmesan
  • 6 small lettuce cups

Method

  1. Stir mayo and pesto together.
  2. Fold in flaked tuna.
  3. Add tomatoes and parmesan.
  4. Fill the lettuce cups.
17

Cucumber Tuna Rolls12 min · ~3 g net carbs

Ingredients

  • 1 batch Recipe 1
  • 1 large cucumber
  • 2 tbsp cream cheese
  • Fresh dill

Method

  1. Peel the cucumber into long ribbons.
  2. Pat dry on paper towel.
  3. Spread a little cream cheese on each ribbon, add a spoon of tuna and some dill.
  4. Roll up and secure with a toothpick.
🎬 Watch: tuna lettuce wraps step by step (Recipes 14 to 16)Not playing? Open on YouTube

Keto tuna sandwiches & melts

18

Keto Tuna Melt on a Chaffle12 min · ~3 g net carbs

Ingredients

  • 1 batch Recipe 1
  • 1 egg
  • ½ cup shredded mozzarella
  • ½ tsp garlic powder
  • 2 slices cheddar

Method

  1. Whisk egg, mozzarella and garlic powder.
  2. Cook half the batter in a hot waffle maker for 3 to 4 minutes. Repeat for a second chaffle.
  3. Top one chaffle with tuna and cheddar, then grill 2 minutes until bubbling.
  4. Cap with the second chaffle and serve warm.
19

Cloud Bread Tuna Sandwich35 min · ~3 g net carbs

Ingredients

  • 3 eggs, separated
  • 3 tbsp cream cheese
  • ¼ tsp cream of tartar
  • 1 batch Recipe 1

Method

  1. Heat oven to 150°C / 300°F and line a tray with parchment.
  2. Beat the whites with cream of tartar to stiff peaks.
  3. Beat yolks with cream cheese, then fold gently into the whites.
  4. Spoon 6 rounds onto the tray and bake 25 minutes until golden.
  5. Cool fully, then fill with tuna.

Bake the bread ahead and keep it airtight for 2 days.

20

Tuna-Stuffed Mini Peppers10 min · ~4 g net carbs

Ingredients

  • 1 batch Recipe 9 or 11
  • 8 mini sweet peppers, halved and seeded

Method

  1. Halve peppers lengthways and scrape out seeds.
  2. Spoon in tuna salad.
  3. Chill until serving. Great packed lunch.
21

Cucumber Sub Sandwich10 min · ~4 g net carbs

Ingredients

  • 1 batch Recipe 1
  • 1 large cucumber
  • 2 slices tomato, 2 lettuce leaves

Method

  1. Halve the cucumber lengthways and scoop out the seeds.
  2. Layer lettuce, tuna and tomato.
  3. Close the halves and slice in two.

Tuna bowls

22

Keto Niçoise Bowl15 min · ~6 g net carbs

Ingredients

  • 2 tins tuna in olive oil
  • 2 boiled eggs, halved
  • 1 cup green beans, blanched 3 minutes
  • 8 olives, 4 cherry tomatoes
  • 4 cups mixed leaves
  • Dressing: 3 tbsp olive oil, 1 tbsp red wine vinegar, 1 tsp Dijon, pinch of salt

Method

  1. Shake the dressing ingredients in a jar.
  2. Arrange leaves in two bowls.
  3. Add beans, eggs, olives and tomatoes in neat sections.
  4. Top with large tuna chunks and drizzle with dressing.
23

Sushi-Style Cauli Rice Bowl12 min · ~5 g net carbs

Ingredients

  • 2 cups cauliflower rice
  • 1 batch Recipe 10
  • ½ avocado, sliced
  • ½ cucumber, diced
  • 1 tsp sesame seeds
  • Coconut aminos to drizzle

Method

  1. Microwave cauliflower rice 3 minutes, cool, then press dry in a tea towel.
  2. Divide between bowls.
  3. Top with spicy tuna, avocado and cucumber.
  4. Sprinkle with seeds and drizzle with aminos.
24

Greek Tuna Bowl10 min · ~6 g net carbs

Ingredients

  • 1 batch Recipe 4
  • 1 cucumber, 6 cherry tomatoes
  • ¼ cup feta, crumbled
  • 8 olives
  • 1 tbsp olive oil and ½ tsp oregano

Method

  1. Chop cucumber and tomatoes and toss with oil and oregano.
  2. Divide between bowls.
  3. Top with yoghurt tuna, feta and olives.
25

Zucchini Noodle Pesto Tuna Bowl12 min · ~5 g net carbs

Ingredients

  • 2 zucchini, spiralised
  • 2 tins tuna, drained
  • 2 tbsp pesto, 2 tbsp olive oil
  • 2 tbsp grated parmesan
  • Lemon zest, salt

Method

  1. Salt the zucchini noodles, rest 5 minutes, then pat dry.
  2. Toss with pesto and olive oil.
  3. Fold in flaked tuna, parmesan and zest.
  4. Serve cold, or warm the noodles for 1 minute first.

Meal prep without the worry 🧊

Tuna salad is a brilliant make-ahead lunch if you respect the clock. This follows standard USDA and FDA food-safety guidance.

RuleWhat to do
Fridge life3 to 5 days in an airtight container at 4°C / 40°F or colder. Write the date on the lid.
Out of the fridgeMaximum 2 hours, or 1 hour above 32°C / 90°F.
Packing for workInsulated bag plus an ice pack. Recipe 5 (no mayo) is the most forgiving.
FreezingNot recommended. Mayo separates and the salad thaws watery.
Avocado versionsBest within 24 hours.
Spoilage signsSour smell, slimy texture, off colour. When in doubt, throw it out.
The Sunday system: mix one big batch of Recipe 1, portion it into 3 jars, and keep lettuce, cucumber and peppers separate. Assemble each day so everything stays crunchy.
🎬 Watch: pesto tuna salad cups for lunch or meal prep (Recipe 16)Not playing? Open on YouTube

Choosing tuna on a budget 💰

🥇 Skipjack (“light”)Cheapest, mild, lowest mercury. Your everyday tuna.
🥈 Albacore (“white”)Firmer and milder but pricier and higher in mercury. Keep it occasional.
🥉 Olive-oil packedTender and rich. Ideal for no-mayo recipes, and the oil is keto-friendly.
🛍 Pouches & multipacksLess draining, easy for work, usually cheaper per ounce.

The FDA suggests 2 to 3 servings a week of “best choice” fish like canned light tuna, and 1 serving a week of albacore. If you’re pregnant or nursing, check current advice with your doctor.

Read the labels. Skip tuna with added sugar and check your mayo too. Net carbs here are estimates, so recalculate with your own brands.

Protein and fat add-ins that keep you full 💪

Tuna is lean, so keto lunches need fat to satisfy. Add one from each card.

More proteinBoiled egg, cottage cheese, hemp hearts, crumbled bacon.
More healthy fatAvocado, olive oil, olives, pesto, full-fat mayo.
More low-carb crunchCelery, cucumber, radish, pickles, pumpkin seeds.
More flavourCapers, dill, lemon zest, hot sauce, chipotle, garlic powder.

Quick answers

Is tuna salad keto?

Yes. Tuna has zero carbs, so the salad stays keto with sugar-free mayo and low-carb veg. Avoid bread and sweet relish.

How do I stop tuna salad being watery?

Press the tuna dry, pat wet vegetables, and add cucumber or tomato only when serving.

How many carbs are in keto tuna salad?

Roughly 2 to 6 g net carbs per serving across these recipes. Always check your own labels.

Can I eat tuna every day?

Rotate with tinned salmon and sardines, and keep albacore to about once a week to limit mercury.

Your next 10 minutes 🐟

Start with Recipe 1, then pick one flavour family to try this week. A tin, a fork and a bowl are all you need. Which will you make first? Tell us in the comments.

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