Light Tuna Salad Sandwich
A quick, lighter take on the classic American tuna salad sandwich. Flaked tuna is folded with crunchy celery, red onion, and a tangy Greek yogurt dressing, then piled onto soft whole wheat bread with crisp lettuce. Perfect for a refreshing lunch that doesn't weigh you down.
For 4 servings
- prep · ~1 min
Drain and flake the tuna.
Drain the canned tuna well and transfer it to a mixing bowl. Use a fork to break it apart into small flakes.
- mix · ~2 min
Make the tuna salad.
1.Add yogurt, diced celery, minced red onion, lemon juice, and Dijon mustard to the bowl with the tuna.2.Season with a pinch of salt and a pinch of black pepper.3.Fold everything together with a fork until well combined and creamy.TIPIf you have time, let the tuna salad sit in the fridge for 10 minutes; the flavors meld beautifully. - prep · ~2 min
Toast the bread.
Lightly toast the whole wheat bread slices until just golden and crisp. This prevents the bread from getting soggy.
- assemble · ~1 min
Assemble the sandwiches.
1.Lay 4 slices of toasted bread on a clean surface.2.Place a lettuce leaf on each slice of bread.3.Spoon the tuna salad evenly over the lettuce.4.Top with the remaining slices of toasted bread. - serve
Slice and serve.
Cut each sandwich in half diagonally and serve immediately.
What to keep in mind.
7 tips from the recipe — small details that make a real difference to the final dish.
- 1Drain the tuna very thoroughly to prevent a watery salad.
- 2Use thick Greek yogurt for a creamier, tangier dressing that won't thin out.
- 3Let the finished tuna salad rest in the fridge for 10 minutes to meld flavors.
- 4Toast the bread just until golden to create a barrier against sogginess.
- 5For extra crunch, add a tablespoon of chopped pickles or capers.
- 6Store leftover tuna salad in an airtight container in the fridge for up to 2 days.
- 7Make the tuna salad a day ahead — the flavor only gets better overnight.
Adapt it for your goals.
High-Protein
Add a scoop of plain cottage cheese or a chopped hard-boiled egg for extra protein. Ideal for post-workout meals or anyone wanting a more filling sandwich.
VeganVegan
Swap the tuna for mashed chickpeas and use a dairy-free yogurt. This keeps the same creamy, tangy texture while being completely plant-based.
Herb FreshHerb-Fresh
Fold in 2 tablespoons of chopped fresh dill or parsley for a brighter, garden-fresh flavor that pairs beautifully with the lemon and yogurt.
Why this is on our healthy list.
Lean Protein Source
Canned tuna in water provides high-quality, low-fat protein that supports muscle maintenance and satiety.
Gut-Friendly Fats
Greek yogurt supplies probiotics and calcium, aiding digestion and bone health without excessive saturated fat.
Low in Added Sugar
This recipe relies on natural tang from yogurt and lemon, keeping added sugars minimal compared to many store-bought salads.
Frequently asked questions
Yes, but the salad will be richer and higher in fat. If substituting, start with 1/3 cup mayo for a similar consistency.



