Spaghetti al Tonno (Tuna and Tomato Pasta)

Spaghetti al tonno brings together two Italian pantry strengths: dried pasta and good tinned fish. The dish is a quick tomato-based pasta, usually kept loose and savoury rather than heavy, with tuna flaked through the sauce so it warms gently without turning dry. Garlic and chilli give the olive oil a fragrant base, capers add sharp salinity, and parsley keeps the finish fresh. Tossing the spaghetti in the pan with a little reserved pasta water helps the sauce cling and gives the dish its glossy, satisfying texture. It is an easy pescatarian dinner with enough character for a fast midweek meal.
Cuisine style Italian pantry cooking
Spice level Mild
Cooking style Minimal cleanup
Time commitment Under 30 minutes

Why this recipe works

  • Fast pantry cooking: Tinned tuna and fresh tomatoes create a complete sauce in the time it takes to cook the pasta.
  • Savoury depth: Garlic, chilli flakes, capers and tuna build a briny, aromatic base without needing a long simmer.
  • Better sauce cling: Finishing the spaghetti in the pan with a little reserved pasta water helps the sauce turn glossy and coat the strands.

Get the most out of this recipe

Adjust the heat

  • For less heat: Use fewer chilli flakes, or add them only at the end so the heat stays gentle.
  • For more kick: Increase the chilli flakes slightly, keeping the heat balanced so the tuna and capers still come through.
  • Keep it rounded: Fresh parsley and a final drizzle of olive oil help soften the chilli and lift the salty, savoury sauce.

Ingredient notes

  • Choose good tuna: Use a well-flavoured canned tuna that flakes easily; it should be warmed through rather than cooked hard.
  • Check the capers: Capers vary in saltiness, so rinse them if needed and taste before adding extra salt.
  • Use ripe tomatoes: Ripe tomatoes break down quickly into a loose sauce; less ripe tomatoes may need a little more simmering.

Common mistakes

  • Browning the garlic: Keep the garlic pale and fragrant. If it starts to colour, lower the heat and add the tomatoes promptly.
  • Cooking the tuna too long: Add the tuna near the end and warm it briefly so it stays tender rather than dry.
  • Letting the sauce dry out: Add reserved pasta water gradually while tossing until the spaghetti looks glossy and well coated.

Make-ahead tips

  • Best served fresh: The pasta has the best texture straight from the pan, when the sauce still clings lightly to the spaghetti.
  • Prep before cooking: Slice the garlic, chop the tomatoes and parsley, and drain the tuna before starting so the sauce comes together smoothly.
  • Reheat gently: Warm leftovers in a frying pan with a splash of water, stirring until piping hot and loosened.

Equipment you'll need

Ingredients
Instructions
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  1. Bring a large pot of well-salted water to the boil. Cook the spaghetti until just al dente, then reserve a mug of the pasta water and drain.
  2. Meanwhile, warm the extra virgin olive oil in a large frying pan over a medium heat. Thinly slice the garlic, add it to the pan with the chilli flakes, and cook for 30 to 60 seconds until fragrant but not browned.
  3. Roughly chop the tomatoes and add them to the pan with the capers. Simmer for 6 to 8 minutes, stirring occasionally, until the tomatoes break down into a loose sauce.
  4. Flake the canned tuna into the sauce and warm through for 1 to 2 minutes. Add the drained spaghetti and toss well, loosening with a splash of reserved pasta water until glossy and well coated.
  5. Finely chop the fresh parsley and stir most of it through the pasta. Divide between bowls, scatter over the remaining parsley, and finish with a final drizzle of extra virgin olive oil.

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Recipe notes

Tips

  • Keep the garlic pale: if it starts to colour, lower the heat and add the tomatoes straight away to stop it catching.
  • If your capers are very salty, give them a quick rinse and pat dry before adding.
  • For the best texture, finish the pasta in the pan so the sauce clings, adding reserved pasta water a little at a time.

Substitutions

  • Replace spaghetti with linguine for a slightly flatter pasta that holds the sauce well.
  • Replace chili flakes with a smaller amount for a milder heat, or increase slightly for more kick.
  • Replace fresh parsley with fresh basil for a softer, sweeter herbal finish.

Storage

  • Refrigerate up to 2 days
  • Cool quickly and refrigerate in a sealed container. Reheat gently in a frying pan with a splash of water until piping hot, stirring to loosen the sauce.

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Spaghetti al Tonno (Tuna and Tomato Pasta)
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Recipe overview

  • Servings: 2 servings
  • Total time: 25min (25min active)
  • Difficulty: Easy
  • Cuisine: Italian
  • Allergens:
    Fish Gluten Wheat
Beginner friendly

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