Lemon Garlic Tuna Spaghetti

Featured in: Easy Weeknight Meals

This bright pasta blends al dente spaghetti with flaky tuna and a lively sauce of lemon zest, fresh lemon juice, and garlic. Olive oil gently heats the garlic until fragrant before adding tuna and lemon components, creating a zesty coating for the noodles. Crushed red pepper flakes add optional warmth, while fresh parsley balances the flavors. Quick to prepare and full of Mediterranean character, this dish works well for weeknight dinners seeking a light yet satisfying meal.

Updated on Mon, 22 Dec 2025 10:17:00 GMT
Steaming Lemon-Garlic Tuna Spaghetti, a flavorful pasta dish with flaky tuna and lemon zest. Save
Steaming Lemon-Garlic Tuna Spaghetti, a flavorful pasta dish with flaky tuna and lemon zest. | olivedune.com

I started making this dish on nights when the fridge looked bare but I still wanted something that tasted intentional. A can of tuna, a lemon rolling around in the drawer, and pasta in the pantry became my unlikely trio. The first time I tossed it all together, I was skeptical, but the moment the garlic hit the oil and the lemon zest released its perfume, I knew I was onto something good.

I made this for my sister once after a long day, and she looked at me like I'd performed magic with pantry scraps. We ate it straight from the skillet, standing at the counter, talking through everything and nothing. That night it became more than just a quick fix, it became the meal I reach for when I want to feel capable without the fuss.

Ingredients

  • Dried spaghetti: The long strands hold onto the sauce beautifully, and cooking it just until al dente gives you that perfect chew.
  • Olive oil: Use something decent here, it's the base of your sauce and you'll taste it in every bite.
  • Garlic cloves: Slice them thin so they soften and sweeten without burning, releasing that mellow, aromatic warmth.
  • Lemon: Both the zest and juice bring brightness, the zest adds fragrance and the juice cuts through with tang.
  • Canned tuna in olive oil: Drain it well but save a little of that oil if you want extra richness, and look for good quality chunks.
  • Crushed red pepper flakes: A pinch adds a gentle heat that lingers without overpowering, totally optional but I always add it.
  • Fresh flat-leaf parsley: It brings color and a grassy freshness that makes the dish feel alive.
  • Pasta cooking water: This starchy liquid is the secret to a silky sauce that clings instead of puddles.
  • Salt and black pepper: Season as you go, tasting and adjusting until it feels balanced.

Instructions

Boil the pasta:
Bring a large pot of salted water to a rolling boil and cook the spaghetti until it still has a little bite. Before draining, scoop out a quarter cup of that starchy water, it's gold for the sauce.
Warm the garlic:
Heat olive oil in a large skillet over medium heat and add the sliced garlic, stirring gently until it smells sweet and turns just barely golden. Don't let it brown or it'll taste bitter.
Add the tuna and lemon:
Stir in the flaked tuna, lemon zest, lemon juice, and red pepper flakes if you're using them. Let everything warm through for a couple of minutes, breaking up the tuna gently as it heats.
Toss with pasta:
Add the drained spaghetti to the skillet and toss it all together, pouring in the reserved pasta water bit by bit until the sauce coats each strand without being soupy. It should look glossy and unified.
Finish and serve:
Stir in the chopped parsley and taste for salt and pepper. Plate it up, sprinkle more parsley on top, and serve with lemon wedges for squeezing.
Bright, flavorful photo of Lemon-Garlic Tuna Spaghetti with parsley garnish and lemon wedges. Save
Bright, flavorful photo of Lemon-Garlic Tuna Spaghetti with parsley garnish and lemon wedges. | olivedune.com

There was a summer evening when I made this outside on a camp stove, the sun setting over the water, and it tasted even better with salt in the air. It's funny how a simple plate of pasta can anchor a memory like that, turning an ordinary recipe into something you return to again and again.

What to Do with Leftovers

This reheats surprisingly well if you add a splash of water or olive oil to loosen it up. I've eaten it cold straight from the fridge the next day and it still holds its brightness, though the pasta firms up a bit. You can also toss in some arugula or spinach when reheating to freshen it up.

How to Make It Your Own

Sometimes I throw in a handful of halved cherry tomatoes for sweetness and color, or a spoonful of capers for that briny punch. If you like anchovies, melt one or two into the oil with the garlic for deeper umami. It's endlessly adaptable depending on what's sitting in your pantry or how adventurous you're feeling.

Pairing and Serving Ideas

This pairs beautifully with a crisp white wine like Pinot Grigio or Sauvignon Blanc, something that echoes the lemon and doesn't compete with the fish. Serve it with a simple green salad dressed in olive oil and vinegar, or some crusty bread to soak up any leftover sauce on the plate.

  • Add a side of roasted vegetables if you want more heft.
  • Top with grated Parmesan if you're not keeping it strictly pescatarian.
  • Double the lemon juice if you love extra brightness.
Close-up of perfectly cooked Lemon-Garlic Tuna Spaghetti, with garlic and red pepper flakes. Save
Close-up of perfectly cooked Lemon-Garlic Tuna Spaghetti, with garlic and red pepper flakes. | olivedune.com

This is the kind of meal that proves you don't need a long ingredient list or hours in the kitchen to make something worth sitting down for. It's quick, it's bright, and it always feels like a small victory on a plate.

Cooking Questions & Answers

How do I prevent the tuna from drying out?

Use canned tuna packed in olive oil and add it gently to the warm garlic oil to keep it moist and flaky.

Can I use fresh garlic instead of sliced garlic?

Sliced garlic offers a milder infusion, but minced fresh garlic can be used for a stronger garlic presence; cook carefully to avoid burning.

What can I add for extra richness in the sauce?

Capers or halved cherry tomatoes can boost the sauce’s depth and texture without overpowering the fresh lemon and garlic notes.

How should I adjust seasoning to taste?

Season with salt and freshly ground pepper gradually, tasting as you combine the ingredients to achieve a balanced flavor.

What wine pairs best with this pasta?

A crisp white wine like Pinot Grigio or Sauvignon Blanc complements the zesty lemon and tuna flavors beautifully.

Lemon Garlic Tuna Spaghetti

Tender spaghetti combined with flaky tuna, zesty lemon, and garlic for a quick vibrant meal.

Prep Duration
10 min
Time to Cook
15 min
Overall Duration
25 min
Creator: Clara Moretti


Skill Level Easy

Cuisine Italian

Serves 4 Portions

Dietary Info No Dairy

What You Need

Pasta

01 14 oz dried spaghetti

Sauce

01 2 tbsp olive oil
02 3 garlic cloves, thinly sliced
03 1 lemon, zested and juiced
04 2 cans (5.6 oz each) tuna in olive oil, drained and flaked
05 1/2 tsp crushed red pepper flakes (optional)
06 1/4 cup fresh flat-leaf parsley, chopped
07 1/4 cup reserved pasta cooking water
08 Salt and freshly ground black pepper, to taste

Toppings

01 Extra chopped parsley for garnish
02 Lemon wedges, to serve

Steps

Step 01

Cook pasta: Bring a large pot of salted water to a boil and cook spaghetti until al dente according to package instructions. Reserve 1/4 cup of pasta cooking water, then drain.

Step 02

Sauté garlic: Heat olive oil in a large skillet over medium heat. Add sliced garlic and cook for 1 to 2 minutes until fragrant but not browned.

Step 03

Combine tuna and lemon: Add drained tuna to the skillet, breaking up gently with a spoon. Stir in lemon zest, lemon juice, and crushed red pepper flakes if using. Cook for 2 to 3 minutes, stirring gently.

Step 04

Incorporate pasta: Add the drained spaghetti to the skillet with the tuna mixture. Toss to combine, gradually adding reserved pasta water until the sauce lightly coats the pasta.

Step 05

Finish with herbs and seasoning: Stir in chopped parsley and season with salt and freshly ground black pepper to taste.

Step 06

Serve: Divide among plates, garnish with additional parsley, and serve accompanied by lemon wedges.

Essential Tools

  • Large pot
  • Large skillet
  • Colander
  • Wooden spoon
  • Zester or fine grater

Allergy Notice

Always review each component for allergens, and reach out to medical experts if you're uncertain.
  • Contains fish (tuna) and gluten (spaghetti)
  • Check pasta packaging for possible egg or wheat allergens if gluten intolerant

Nutrition Breakdown (each portion)

These details are for general advice—please consult your healthcare provider for specific guidance.
  • Energy (kcal): 480
  • Lipids: 14 g
  • Carbohydrates: 62 g
  • Proteins: 28 g