Lemon Garlic Tuna Spaghetti

Featured in: Home Meal Favorites

This vibrant dish combines al dente spaghetti with flaky tuna, zesty lemon juice and zest, and fragrant garlic sautéed in olive oil. The light sauce is enriched with fresh parsley and a hint of red pepper flakes, creating a bright Mediterranean flavor perfect for quick weeknight meals. Reserved pasta water helps achieve the ideal sauce consistency. Garnished with parsley and lemon wedges, this dish balances freshness and richness with minimal prep and cook time.

Updated on Tue, 23 Dec 2025 15:43:00 GMT
Golden-yellow Lemon-Garlic Tuna Spaghetti, a bright and flavorful Italian pasta dinner. Pin it
Golden-yellow Lemon-Garlic Tuna Spaghetti, a bright and flavorful Italian pasta dinner. | happyzitoune.com

The first time I made this pasta was on a Tuesday evening when I had absolutely zero energy but needed something that felt like real food. I cracked open those tuna cans expecting a sad pantry dinner, but when the lemon hit the hot garlic, my whole kitchen perked up.

I served this to my sister who claims to hate canned fish, and she went back for seconds. She actually paused mid-bite to ask what I did differently, and the secret is really just good olive oil and not being shy with the lemon zest.

Ingredients

  • Dried spaghetti: The thin strands catch the sauce beautifully, and using pasta water creates that silky restaurant-style coating without any cream
  • Olive oil: This carries all the flavors, so use something you would drizzle on bread because it makes a huge difference in the final dish
  • Garlic cloves: Slice them thin instead of mincing so they soften and mellow rather than burning, which gives you sweet garlic notes throughout
  • Lemon: Both the zest and juice are non-negotiable here because the zest holds the aromatic oils while the juice provides the bright acid that cuts through the rich tuna
  • Tuna in olive oil: The oil-packed version tastes infinitely better than water-packed, and draining it but keeping a little of that oil adds another layer of flavor
  • Red pepper flakes: Even if you are sensitive to heat, a tiny pinch wakes up the whole dish without making it spicy
  • Fresh parsley: This adds a fresh grassy note that balances the rich tuna and bright lemon, so do not skip it even if you usually do not like herbs

Instructions

Product image
Soft, absorbent towels keep counters dry while cooking, wiping spills, and handling dishes during everyday recipe prep.
Check price on Amazon
Get your water going:
Bring a large pot of salted water to a boil, and cook the spaghetti until it is al dente because you want it to have some bite when it hits the sauce
Start the flavor base:
While the pasta cooks, warm the olive oil in a large skillet over medium heat and add the sliced garlic, letting it sizzle gently until fragrant but not browned
Build the sauce:
Add the flaked tuna to the skillet and break it up gently, then stir in the lemon zest, lemon juice, and red pepper flakes, letting everything meld together for a couple of minutes
Bring it all together:
Toss the cooked spaghetti into the skillet, adding that reserved pasta water a splash at a time until the sauce clings to every strand instead of sitting in a pool at the bottom
Finish it right:
Stir in the chopped parsley, season generously, and serve immediately with extra parsley on top and lemon wedges on the side so people can add more acid if they love that bright kick
Product image
Soft, absorbent towels keep counters dry while cooking, wiping spills, and handling dishes during everyday recipe prep.
Check price on Amazon
Close-up of perfectly cooked Lemon-Garlic Tuna Spaghetti, bursting with lemon and garlic aromas. Pin it
Close-up of perfectly cooked Lemon-Garlic Tuna Spaghetti, bursting with lemon and garlic aromas. | happyzitoune.com

This has become my go-to when friends drop by unexpectedly because it looks impressive but takes zero prep. I love watching peoples faces when they take that first bite and realize canned tuna can actually be something special.

Making It Your Own

Sometimes I throw in a handful of capers or halved cherry tomatoes if I have them sitting in the fridge. Both add a little pop of acid and color that makes the dish feel even more special.

What To Serve With It

A crisp white wine like Pinot Grigio cuts through the richness perfectly. A simple green salad with a vinaigrette balances the meal, and some crusty bread never hurts for soaking up any extra sauce.

Storage And Meal Prep

This keeps well in the fridge for a day or two, but the pasta will absorb the sauce, so add a splash more olive oil and lemon juice when reheating. It actually tastes pretty good cold straight from the container for lunch the next day.

  • Store in an airtight container in the refrigerator for up to two days
  • Reheat gently with a splash of water or olive oil to loosen the sauce
  • Never freeze this dish because the pasta texture becomes unpleasantly mushy
Product image
Create smooth frozen drinks, slushies, and frappés for desserts and parties using juices, coffee, or wine.
Check price on Amazon
A generous serving of Lemon-Garlic Tuna Spaghetti in a bowl, ready to enjoy with a lemon wedge. Pin it
A generous serving of Lemon-Garlic Tuna Spaghetti in a bowl, ready to enjoy with a lemon wedge. | happyzitoune.com

Sometimes the simplest ingredients create the most satisfying meals.

Recipe FAQs

Can I use fresh tuna instead of canned tuna?

Fresh tuna can be used if cooked and flaked properly; however, canned tuna in olive oil offers convenience and a well-infused flavor ideal for this dish.

How do I prevent the garlic from burning?

Cook garlic over medium heat for 1–2 minutes until fragrant but not browned, stirring often to avoid bitterness.

What can I add to enhance the sauce’s flavor?

Adding capers or halved cherry tomatoes introduces extra depth and richness to the sauce without overpowering the main ingredients.

Is it necessary to reserve pasta cooking water?

Yes, reserved pasta water helps bind the sauce to the spaghetti, giving it a silky, well-coated texture.

What wine pairs well with this dish?

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

Can I omit red pepper flakes if I prefer less heat?

Absolutely, red pepper flakes are optional and can be excluded or adjusted to taste without affecting the main flavors.

Lemon Garlic Tuna Spaghetti

Spaghetti with tender tuna, fresh lemon, and garlic for a bright, easy Mediterranean-inspired main dish.

Prep time
10 min
Cook time
15 min
Overall time
25 min
Created by Liam Fletcher


Skill level Easy

Cuisine Italian

Makes 4 Portions

Dietary details No Dairy

What You’ll 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 for serving

Directions

Step 01

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

Step 02

Prepare sauce base: Heat olive oil in a large skillet over medium heat. Add sliced garlic and sauté for 1 to 2 minutes until fragrant, avoiding browning.

Step 03

Add tuna and seasonings: Incorporate the flaked tuna, lemon zest, lemon juice, and crushed red pepper flakes if using. Cook gently for 2 to 3 minutes, stirring occasionally.

Step 04

Combine pasta with sauce: Add the drained spaghetti to the skillet and toss to combine. Gradually add reserved pasta water to achieve a light coating on the noodles.

Step 05

Finish and season: Stir in chopped parsley. Season the mixture with salt and freshly ground black pepper to preference.

Step 06

Serve: Portion onto plates, garnish with additional parsley, and offer lemon wedges alongside.

Equipment needed

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

Allergy notes

Double-check each ingredient for allergens, and speak with a healthcare professional if unsure.
  • Contains fish (tuna) and gluten (spaghetti).
  • Check pasta packaging for potential egg or wheat allergens if gluten intolerant.

Nutrition info (each serving)

Details here are for general knowledge and aren’t medical advice.
  • Calorie count: 480
  • Fat content: 14 g
  • Carbohydrates: 62 g
  • Proteins: 28 g