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Updated 2026-06-29 • By Clara Bennett

High Protein Tuna Salad

Name: High Protein Tuna Salad
Prep time: 10 min
Total time: 10 min
Yield: 4 servings
Cuisine: International
Ingredients: 3 cans (5 oz each) tuna in water, drained well; 1 cup plain full-fat Greek yogurt; 2 stalks celery, finely diced; 1/4 cup red onion, finely diced; 2 tablespoons fresh dill, chopped; 1 tablespoon fresh lemon juice; 1 teaspoon Dijon mustard; 1/4 teaspoon garlic powder; 1/2 teaspoon sea salt; 1/4 teaspoon black pepper

The ultimate guide to making the perfect high protein tuna salad at home.

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Quick Answer

High protein tuna salad is a quick, no-cook meal made by combining canned tuna with Greek yogurt, fresh herbs, and crunchy vegetables. It delivers over 30 grams of protein per serving in under 10 minutes, making it perfect for meal prep, post-workout lunches, or a light dinner.

High protein tuna salad has earned its place as a staple in healthy kitchens everywhere. Whether you are meal prepping for the week, looking for a post-workout meal that actually tastes good, or simply need something fast and satisfying for lunch, this recipe delivers on every front. The combination of flaky tuna, creamy Greek yogurt, and crisp vegetables creates a texture and flavor profile that rivals any deli-style salad while packing significantly more protein and far fewer calories.

What sets this version apart from traditional tuna salad is the smart swap of mayonnaise for Greek yogurt, which nearly doubles the protein content while cutting saturated fat. A handful of fresh dill, a squeeze of lemon, and finely diced celery and red onion add brightness and crunch. The result is a versatile dish that works beautifully on its own, stuffed into pitas, spooned over greens, or spread on crackers. Read on for every detail you need to master this recipe, plus expert tips to make it even better.

Pros

Packs over 32 g of protein per serving using simple whole-food ingredients
Ready in under 10 minutes with zero cooking required
Excellent for meal prep and stays fresh in the fridge for up to 4 days
Highly customizable with endless variation options
Budget-friendly and uses pantry staples you likely already have
Low in carbohydrates and suitable for keto and low-carb diets

Cons

Canned tuna contains trace mercury, so moderation is advised for pregnant women
Not suitable for those with fish or seafood allergies
Can become watery if stored too long without draining tuna thoroughly

✅ This recipe was last tested and validated by our test kitchen on 2026-06-29.

Key Takeaways

Always drain canned tuna extremely well to prevent a watery salad
Use full-fat Greek yogurt for the creamiest texture and best flavor
Let the salad chill for at least 15 minutes before serving to allow flavors to meld
Finely dice vegetables so every bite has an even distribution of crunch
Fresh lemon juice is essential — bottled lemon juice lacks brightness
Store in an airtight glass container to maintain freshness for up to 4 days

Prep10 min

Cook0 min

Cal285

Serves4

LevelBeginner

Cost$

Ingredients

To make this authentic high protein tuna salad you will need the following fresh ingredients:

Everything you need for high protein tuna salad

Servings:

🛒 Shop Key Ingredients

Ingredient	Why You Need It	Buy
Canned tuna in water	The protein backbone of the recipe — choose pole-caught for best quality	Check Price
Plain Greek yogurt	Replaces mayo for a creamy texture with nearly double the protein	Check Price
Fresh dill	Adds a bright, herbaceous flavor that elevates the entire dish	Check Price
Dijon mustard	Provides tang and depth that ties all the flavors together	Check Price

Kitchen Equipment

Tool	Why You Need It	Buy
Mixing bowl	A medium bowl gives you plenty of room to fold ingredients without spilling	Check Price
Can opener	Essential for opening the tuna cans cleanly and safely	Check Price
Chef’s knife	A sharp knife ensures fine, even dicing of celery and onion	Check Price
Rubber spatula	Perfect for folding yogurt into tuna without breaking the flakes	Check Price

Step-by-Step Instructions

Follow these steps exactly for perfect high protein tuna salad every time.

Preparation

Drain the tuna thoroughly

Open all three cans of tuna and press the lid firmly against the flesh to squeeze out as much water as possible. Transfer the drained tuna to a medium mixing bowl and flake it apart gently with a fork, leaving some larger chunks for texture.

Dice the vegetables

Finely dice the celery stalks and red onion into pieces no larger than 1/4 inch. Small, uniform pieces ensure even distribution throughout the salad so every bite has the right balance of crunch and creaminess.

Prep the herbs and lemon

Chop the fresh dill finely and juice half a lemon to yield approximately 1 tablespoon of fresh lemon juice. Remove any seeds before adding the juice to the bowl.

Cooking

Combine the wet ingredients

Add the Greek yogurt, Dijon mustard, fresh lemon juice, garlic powder, sea salt, and black pepper to the bowl with the tuna. Stir gently with a rubber spatula until all the tuna is evenly coated and the mixture looks creamy and uniform.

Fold in the vegetables and herbs

Add the diced celery, red onion, and chopped dill to the bowl. Fold everything together gently so the vegetables distribute evenly without mashing the tuna flakes. Taste and adjust salt, pepper, or lemon juice as needed.

Chill and serve

Cover the bowl with a lid or plastic wrap and refrigerate for at least 15 minutes to allow the flavors to meld together. Serve chilled over mixed greens, stuffed into pita bread, or with whole grain crackers.

Chef’s Secrets

Press, don’t just drain: Pressing the tuna against the can lid removes significantly more liquid than simply pouring off the water, preventing a soggy final salad.
Full-fat yogurt is non-negotiable: Low-fat or non-fat Greek yogurt can turn watery when mixed. Full-fat yogurt stays creamy and delivers the best mouthfeel.
Soak the red onion: If raw red onion is too sharp for your taste, soak the diced onion in ice water for 5 minutes, then drain. This mellows the bite while keeping the crunch.
Make it the night before: Tuna salad actually improves after a few hours in the fridge as the flavors develop. It is one of the rare dishes that tastes better on day two.
Add a crunch factor: For extra texture, fold in a tablespoon of toasted sunflower seeds or chopped walnuts just before serving.

Storage

Transfer the tuna salad to an airtight glass container and store it in the refrigerator for up to 4 days. Glass containers are preferred over plastic because they do not absorb odors and keep the salad tasting fresher for longer. Stir the salad before each serving to redistribute any liquid that may have settled at the bottom.

Freezing

Freezing tuna salad is not recommended because the Greek yogurt base tends to separate and become grainy when thawed. The texture of the celery and onion also suffers significantly after freezing. For best results, prepare only what you can consume within 4 days and make fresh batches as needed.

Reheating

High protein tuna salad is designed to be served cold and does not require any reheating. If you prefer a warm variation, you can gently heat the tuna mixture in a skillet over low heat for 2 to 3 minutes, stirring constantly. However, this changes the character of the dish and is not the traditional way to enjoy it.

Variations

Spicy: Add 1 teaspoon of sriracha or a pinch of cayenne pepper along with the other wet ingredients for a fiery kick that pairs beautifully with the creamy base.
Creamy: Stir in 2 tablespoons of mashed avocado or an extra dollop of Greek yogurt for an even richer, silkier texture.
Vegan: Replace the tuna with two cans of drained and mashed chickpeas and use a plant-based yogurt alternative. Add a teaspoon of nori flakes for a subtle ocean flavor.
High-Protein: Add one chopped hard-boiled egg per serving or mix in a scoop of unflavored collagen peptides for an extra 10 grams of protein per portion.

Substitutions

If you do not have Greek yogurt on hand, cottage cheese blended until smooth makes an excellent substitute with a similar protein profile. Sour cream can also work in a pinch, though it has less protein. For the fresh dill, 1 teaspoon of dried dill can be used, but the flavor will be milder. Celery can be swapped with diced cucumber or water chestnuts for a similar crunch. Red onion can be replaced with shallots or green onion for a gentler allium flavor.

Common Mistakes

The most common mistake when making tuna salad is failing to drain the tuna thoroughly, which results in a watery, diluted final product. Another frequent error is over-mixing, which breaks the tuna into an unappealing paste rather than maintaining flaky, distinct pieces. Using bottled lemon juice instead of fresh is another pitfall — the bright acidity of fresh lemon is essential for balancing the richness of the yogurt. Finally, skipping the resting period means the flavors have not had time to develop, so the salad tastes flat and one-dimensional.

Serving Suggestions

This high protein tuna salad is incredibly versatile and can be served in many ways. Spoon it over a bed of mixed greens with sliced avocado and cherry tomatoes for a complete lunch salad. Stuff it into whole wheat pita halves with shredded lettuce for a handheld meal. Serve it on thick slices of toasted sourdough as an open-faced sandwich, or scoop it up with cucumber rounds and bell pepper strips for a low-carb option. For a more substantial plate, pair it with a cup of lentil soup and a handful of whole grain crackers.

Nutrition Facts

Nutrient	Per Serving
Calories	285 kcal
Protein	32 g
Carbohydrates	6 g
Fat	14 g

Frequently Asked Questions

Can I use tuna packed in oil instead of water?

Yes, tuna packed in oil will work and actually adds a richer flavor. However, you should drain it very well and reduce the amount of Greek yogurt slightly since the oil adds additional fat and moisture. The calorie count per serving will also be higher with oil-packed tuna.

How long does tuna salad last in the fridge?

When stored in an airtight container, tuna salad stays fresh for up to 4 days in the refrigerator. Always use a clean spoon when serving to prevent bacterial contamination, and discard any salad that has been left at room temperature for more than 2 hours.

Is this tuna salad good for weight loss?

Absolutely. At 285 calories and 32 grams of protein per serving, this tuna salad is highly satiating relative to its calorie count. The high protein content helps preserve muscle mass during a caloric deficit, and the low carbohydrate count makes it suitable for most weight loss approaches.

Can I make this recipe without Greek yogurt?

Yes, you can substitute mayonnaise, sour cream, or blended cottage cheese. Keep in mind that mayonnaise will lower the protein content and increase the calorie count significantly. Blended cottage cheese is the closest substitute in terms of protein and texture.

What type of tuna is best for tuna salad?

Albacore white tuna has a milder flavor and firmer texture that works beautifully in salads. Skipjack (light tuna) is more affordable and has a stronger, more robust fish flavor. For the best quality, look for pole-caught or line-caught varieties from brands that test for mercury levels.

Culinary Glossary

🐟

Tuna

A saltwater fish prized for its lean protein content and mild flavor, available canned in water or oil.

🥄

Greek Yogurt

Strained yogurt with whey removed, resulting in a thick, creamy texture and high protein content.

🌿

Dill

A feathery herb with a fresh, slightly anise-like flavor that pairs exceptionally well with fish.

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Red Onion

A sharp, pungent allium with purple skin, often used raw in salads for bite and color.

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Acidulate

To add an acidic ingredient like lemon juice to brighten and balance flavors in a dish.

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Celery

A crunchy, mild-flavored stalk vegetable that adds texture and freshness to salads and slaws.