Lemon Garlic Tuna Spaghetti

Featured in: Quick Family Meals

This flavorful dish combines al dente spaghetti with tender flakes of tuna, bright lemon zest and juice, and aromatic sliced garlic gently cooked in olive oil. Tossed with fresh parsley and a touch of pasta water, it creates a light coating that complements the pasta perfectly. Optional crushed red pepper flakes can add a subtle kick. This quick Mediterranean-inspired meal is ideal for busy weeknights, delivering fresh, vibrant flavors with minimal effort.

Updated on Mon, 22 Dec 2025 14:05:00 GMT
Close-up of Lemon-Garlic Tuna Spaghetti: a flavorful pasta dish with flaky tuna and bright lemon. Pin this
Close-up of Lemon-Garlic Tuna Spaghetti: a flavorful pasta dish with flaky tuna and bright lemon. | recipeshood.com

I used to think tuna belonged only in sandwiches until a neighbor handed me a can and said, "Trust me, just toss it with hot pasta." That evening I stood at the stove with garlic sizzling in olive oil, lemon juice pooling in a small bowl, and spaghetti bubbling away. The smell alone made me understand why Italians have been doing this for generations. It became my go-to when the fridge looked empty but I still wanted something that tasted like I cared.

The first time I made this for friends, I apologized in advance because it felt too simple. But then I watched them twirl their forks and go quiet, the kind of quiet that means the food is doing all the talking. One of them asked for the recipe before she even finished her plate. I realized then that sometimes the best meals are the ones that don't try too hard.

Ingredients

  • Spaghetti: Use dried pasta cooked just until al dente so it holds up when tossed with the sauce and doesn't turn mushy.
  • Olive oil: This is your base, so reach for something decent because you'll taste it in every bite.
  • Garlic: Slice it thin and watch it closely in the pan, burnt garlic will ruin the whole dish in seconds.
  • Lemon: Both the zest and juice bring brightness that cuts through the richness of the tuna and oil.
  • Canned tuna in olive oil: The oil-packed kind is softer and more flavorful than water-packed, it makes a real difference here.
  • Crushed red pepper flakes: Optional but worth it if you like a gentle warmth threading through the dish.
  • Fresh flat-leaf parsley: Adds a fresh herbal note that ties everything together at the end.
  • Pasta cooking water: Starchy and salty, it helps the sauce cling to the noodles like it was always meant to be there.
  • Salt and black pepper: Season at the end once you taste, the tuna and pasta water already bring some saltiness.

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 you drain it, scoop out a mugful of that starchy water and set it aside.
Cook the garlic:
Heat olive oil in a large skillet over medium heat and add the sliced garlic. Let it turn golden and fragrant, but pull it off the heat before it browns.
Add the tuna and lemon:
Stir in the drained tuna, breaking it gently with your spoon so it stays in tender flakes. Toss in the lemon zest, juice, and red pepper flakes if you're using them, then cook for a couple of minutes until everything smells bright and garlicky.
Toss with pasta:
Add the drained spaghetti straight into the skillet and toss it all together. Drizzle in the reserved pasta water a little at a time until the sauce coats the noodles without pooling at the bottom.
Finish and serve:
Stir in the chopped parsley and taste for salt and pepper. Plate it up, scatter more parsley on top, and serve with lemon wedges on the side for anyone who wants an extra squeeze.
Steaming plate of Lemon-Garlic Tuna Spaghetti, a quick weeknight dinner bursting with delicious flavors. Pin this
Steaming plate of Lemon-Garlic Tuna Spaghetti, a quick weeknight dinner bursting with delicious flavors. | recipeshood.com

There was a rainy Tuesday when I made this alone with the windows fogged up and the kitchen warm. I ate it straight from the skillet with a glass of cold white wine and thought about how food doesn't need an occasion to feel special. Sometimes it just needs lemon, garlic, and a little bit of attention.

What to Do with Leftovers

This pasta is best eaten right away, but if you do have leftovers, store them in the fridge and reheat gently in a skillet with a splash of water or olive oil. The lemon flavor will mellow overnight, so squeeze a little fresh juice over the top before you eat it again. I've also eaten it cold straight from the container, and honestly it still works.

Ways to Make It Your Own

I sometimes throw in a handful of halved cherry tomatoes with the tuna for little bursts of sweetness. Capers are incredible here too, salty and briny in all the right ways. If you want it creamier, stir in a spoonful of mascarpone or cream cheese at the end. One time I added spinach because I had it wilting in the cridge, and it turned into a whole new version I still make on repeat.

Serving Suggestions

This dish doesn't need much on the side because it's already balanced and satisfying. A simple green salad with a sharp vinaigrette cuts through the richness nicely. Crusty bread for mopping up any leftover sauce is never a bad idea. I usually pour a glass of something crisp and white, Pinot Grigio or Sauvignon Blanc, and call it dinner.

  • Serve it with a side of roasted vegetables if you want more color on the plate.
  • Top with grated Parmesan only if you're okay breaking the no-cheese-with-fish rule, I won't tell.
  • Pair it with garlic bread if you're feeding a crowd and want something hearty.
Bright, appetizing photo of Lemon-Garlic Tuna Spaghetti, showcasing the zesty lemon and tender tuna. Pin this
Bright, appetizing photo of Lemon-Garlic Tuna Spaghetti, showcasing the zesty lemon and tender tuna. | recipeshood.com

This recipe taught me that the best dinners don't always come from complicated techniques or long ingredient lists. Sometimes all you need is a hot pan, a few bright flavors, and the willingness to trust that simple can be more than enough.

Frequently Asked Recipe Questions

Can I use fresh tuna instead of canned?

Fresh tuna can be used but requires quick searing to keep it tender. For this dish, flaky canned tuna blends well with the sauce and cooks evenly.

How do I prevent the garlic from burning?

Cook the garlic over medium heat and watch carefully; stirring frequently ensures it becomes fragrant without browning or bitterness.

What type of pasta water should I reserve?

Reserve a small amount of the salty pasta cooking water before draining; its starchiness helps the sauce cling to the spaghetti.

Can I add heat to the dish?

Yes, include crushed red pepper flakes while cooking the sauce to add a gentle spicy note that complements the lemon and tuna.

What wine pairs well with this dish?

A crisp white wine like Pinot Grigio or Sauvignon Blanc balances the zesty citrus and savory tuna flavors perfectly.

How can I boost the sauce’s richness?

Adding capers or halved cherry tomatoes gives an extra layer of flavor and richness to the sauce, enhancing the overall taste.

Lemon Garlic Tuna Spaghetti

Spaghetti tossed with tuna, lemon zest, garlic, and fresh parsley for a bright, easy dish.

Prep Duration
10 min
Time to Cook
15 min
Overall Time
25 min
Created by Julia Harris

Meal Type Quick Family Meals

Level of Challenge Easy

Cuisine Type Italian

Servings Made 4 Number of Portions

Dietary Details No Dairy Contained

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

Method

Step 01

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

Step 02

Sauté garlic: In a large skillet over medium heat, warm olive oil. Add sliced garlic and cook for 1 to 2 minutes until fragrant without browning.

Step 03

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

Step 04

Combine pasta with sauce: Add cooked spaghetti to the skillet with tuna mixture. Toss thoroughly, gradually adding reserved pasta water to lightly coat the pasta with sauce.

Step 05

Season and finish: Fold in chopped parsley. Season with salt and freshly ground black pepper according to taste.

Step 06

Plate and garnish: Divide pasta among serving plates. Garnish with extra parsley and serve accompanied by lemon wedges.

Kitchen Tools Needed

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

Allergen Details

Review every ingredient for allergens and reach out to a professional if you're unsure.
  • Contains fish (tuna) and gluten (spaghetti). Verify packaging for potential egg or wheat allergens if gluten sensitive.

Nutrition Details (per portion)

Nutrition info is for reference purposes only and isn't medical advice.
  • Energy (Calories): 480
  • Fats: 14 g
  • Carbohydrates: 62 g
  • Proteins: 28 g