Kitchen · Recipes

Thistle & Cypress Italian Tuna Salad

An elevated, flavor-forward take on traditional tuna salad — deeply savory, satisfying, and reimagined with intention.

Thistle & Cypress Italian Tuna Salad

An elevated, flavor-forward take on traditional tuna salad using oil-packed yellowfin and Mediterranean aromatics.

Prep 15 min
Marinate Overnight
Total 12 hrs 15 min
Yield 6–8 servings

Approximate Nutrition

170 calories
18g protein
4g carbs
9g fat

Approximate values per serving (approx. 1/2 cup). Actual values will vary by ingredients and portion size.

Every kitchen behaves differently—use your own judgment with ingredients, allergens, and doneness cues.

Overview

By using oil-packed yellowfin and a double portion of Mediterranean aromatics, we create a dish that moves beyond the pantry staples of the past. It is a redemption of a humble ingredient, best enjoyed after the flavors have had time to unify in the rhythm of a slow marinate.

This recipe relies on the quality of the tuna and the balance of acids. By utilizing the olive oil directly from the Tonnino jars or cans, we capture the "gold" that emulsifies the dressing naturally.

The overnight rest is the non-negotiable step that transforms the sharp onion and herbs into a complex, mellow profile.


Ingredients

Aromatics and base ingredients prepared in a mixing bowl

Fish

  • 3 jars or cans (5 oz each) Tonnino Yellowfin Tuna, packed in olive oil (do not drain; use the oil from the cans)

Aromatics & Mix-ins

  • 1/2 cup Red onion, finely diced
  • 1/2 cup Sun-dried tomatoes, drained and chopped
  • 1/2 cup Castelvetrano olives, pitted and chopped

Dressing & Seasoning

  • 2 tbsp Italian seasoning
  • 4 tbsp Lemon juice
  • 4 tbsp Apple cider vinegar
  • Small pinch of fine sea salt, to taste
  • Generous pinch of cracked black pepper, to taste

Method

1. Prep the Tuna

  1. Open the cans of Tonnino yellowfin.
  2. Using a sharp knife, perform a "cross-hatch" cut directly into the tuna inside the can. This breaks the fish down into manageable chunks before it ever touches the bowl, ensuring consistent texture with minimal effort.

2. Combine the Aromatics

  1. Place the diced onion, sun-dried tomatoes, olives, Italian seasoning, lemon juice, and apple cider vinegar into a medium-sized mixing bowl.

3. The Mix

  1. Add the tuna—including all the olive oil from the cans—into the bowl.
  2. Using a wooden spoon, gently fold the ingredients together until thoroughly combined. The oil will act as the emulsifier for the acid and herbs.

4. Season

  1. Add a small pinch of salt and a generous amount of cracked black pepper. Mix again.

5. The Rest — This is very important!

Tuna salad in a storage container ready for the overnight rest
  1. Cover and refrigerate overnight.
  2. This step is non-negotiable for the flavor profile; it allows the acidity to soften the onions and the flavors to unify into something transcendent.

Tips & Notes

The Tuna: Using high-quality tuna in oil (like Tonnino) is the foundation of this recipe. Water-packed tuna will not produce the same rich, "artisanal" result.

A Note on Mercury: Please be aware that all types of tuna contain some level of mercury; therefore, everyday consumption of yellowfin is not recommended from a toxicity perspective. If you stick with 100% yellowfin, try to limit consumption to no more than 2 days per week.

Hybrid Approach: To make this recipe "safer" for more frequent enjoyment without sacrificing that signature texture, consider using 1 can of yellowfin and 2 cans of skipjack (or swap skipjack for 1 can of high-quality salmon, which adds moisture and selenium to help bind mercury).

The Acid: We found apple cider vinegar provides a cleaner, sharper punch than red wine vinegar, which helps cut through the richness of the oil and olives.

Serving: This salad is versatile—pile it high on crusty bread, serve it with garden-fresh greens, or use it as the anchor to a nourishing grain bowl.

Storage: Keep refrigerated in an airtight container. Because the ingredients "cure" in the acid, it remains vibrant and delicious for several days.

Back to Recipes
Back to the tuna story
Learn more about mercury levels in seafood