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Home » Tonnato — The Italian Tuna and Caper Sauce You’ll Want on Everything

Tonnato — The Italian Tuna and Caper Sauce You’ll Want on Everything

November 14, 2025 by Jean maria Leave a Comment

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Creamy, tangy, savory, and unbelievably versatile — this classic sauce transforms any dish.


Introduction

If you’ve never tried Tonnato, prepare for your new obsession.
Originating in Northern Italy (most famously paired with Vitello Tonnato), this silky tuna-caper sauce is creamy like aioli, zesty like Caesar dressing, and deeply savory thanks to high-quality tuna and anchovies.

The best part?
It’s incredibly easy, requires no cooking, blends in under 2 minutes, and tastes good on literally anything — chicken, veggies, sandwiches, potatoes, roasted meats, salads, eggs, and crudités.

One spoonful, and you’ll understand why Italian kitchens always keep this sauce in rotation.


Ingredients 🧂

  • 1 can (5–7 oz) tuna in olive oil, drained slightly
  • 2 tablespoons capers, drained
  • 3–4 anchovy fillets
  • 1 cup mayonnaise
  • 2 tablespoons lemon juice
  • ½ teaspoon Dijon mustard
  • 1 small garlic clove (optional)
  • 2 tablespoons olive oil
  • Salt & pepper to taste

Timing ⏱️

  • Prep: 5 minutes
  • Total: 5 minutes

Step-by-Step Instructions 👩‍🍳

1 — Blend your base

In a blender or food processor, add:

  • tuna
  • capers
  • anchovies
  • mayo
  • lemon juice
  • Dijon
  • garlic

Blend until creamy.


2 — Add olive oil

With the blender running, drizzle in olive oil to make it extra silky.


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3 — Season

Taste and adjust with salt, pepper, or extra lemon.


4 — Chill

Refrigerate for 30 minutes to allow flavors to deepen.


5 — Serve on everything

This sauce goes with almost anything savory.


Nutritional Information (2 tbsp) 🧾

  • Calories: 120
  • Fat: 11 g
  • Protein: 4 g
  • Carbs: 1 g

What to Serve with Tonnato 🍽️

  • Grilled or roasted chicken
  • Steak or roast beef
  • Potato salad
  • Roasted or steamed vegetables
  • Tomato salad
  • Hard-boiled eggs
  • Sandwiches & wraps
  • Charcuterie boards
  • As a dipping sauce for fries or crudités

Variations 🌟

  • Greek yogurt tonnato: lighter, tangier version
  • Spicy tonnato: add Calabrian chili paste
  • Herb tonnato: mix in parsley or basil
  • Extra anchovy: for a stronger umami punch

Pro Tips 🔥

  • Use good-quality tuna in olive oil — it makes a huge difference.
  • If sauce is too thick, thin with 1–2 tbsp water.
  • Taste before salting — anchovies add plenty of natural salt.
  • Always chill before serving for the best flavor.

Storing Tips 🧊

  • Refrigerate up to 5 days in an airtight container.
  • Do not freeze — mayonnaise-based sauces separate.

Conclusion 💛

Tonnato is the creamy, savory, Italian sauce you’ll want to spoon on everything. Fast, delicious, and endlessly versatile, it elevates even the simplest meals into restaurant-quality dishes.

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