Spaghetti Aglio e Olio

5 from 2 votes
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I can’t even tell you how many times I’ve stumbled through my front door after a night out with the girls, wine in hand, and thrown this together. Spaghetti Aglio e Olio just hits differently after midnight. We’d be crammed in an Uber on the way home and I’d already hear it from the backseat — “Sam, are you making the spaghetti or are we going to McDonald’s?” The spaghetti won every single time.

A skillet filled with spaghetti aglio olio e peperoncino, garnished with fresh basil and sliced red chili peppers, sits on a gray surface. A white cloth and two garlic bulbs are visible in the upper left corner.

Sounds simple, right? Olive oil, garlic, pasta. That’s basically it. But don’t let the short ingredient list fool you. It’s garlicky, a little spicy, silky from the pasta water, and absolutely packed with flavour. Make it once and its going to earn a permanent spot in your rotation. And if you love this style of cooking, my version leans a little closer to a spaghetti aglio e peperoncino — fresh chili peppers alongside the flakes for a deeper, more layered heat. Need more late-night-worthy pasta? Try my Cacio e Pepe Orzo or my Lemon Chicken Orzo.

😍 Why You’ll Love This Spaghetti Aglio e Olio Recipe

Fifteen minutes, start to finish: this is one of the fastest proper meals you can make — pasta water on, garlic in the pan, done before you’ve even changed out of your shoes.
Five ingredients (ish): olive oil, garlic, chili, pasta, cheese.
The sauce is just olive oil and pasta water: sounds too simple, but the starchy water emulsifies with the oil into this glossy, silky coating that clings to every strand. It’s a little bit of kitchen magic.
Endlessly adaptable: eat it as-is and it’s perfect, but it’s also the kind of base that welcomes anything—anchovies, lemon, capers, whatever you’ve got going on.

🧄 Ingredients You’ll Need to Make This Spaghetti Aglio e Olio Recipe

Spaghetti: the classic choice for aglio e olio recipes, and for good reason — those long strands hold onto the glossy olive oil sauce.
Reserved pasta water: don’t skip this step. That starchy water is what brings the whole sauce together and gives it that silky, glossy texture.
Extra virgin olive oil: use a good one. This is basically the sauce, so it matters.
Garlic: this is the heart of the dish — sliced (not minced) so it softens and turns golden without burning.

Spicy peperoncino peppers: this is what nudges it toward a spaghetti aglio e peperoncino — fresh peppers add a slow, fruity heat that dried flakes alone just can’t replicate.
Red pepper flakes: layering heat on top of the peperoncino.
Fresh parsley: stirred in at the end for a pop of freshness and colour that cuts right through all that richness.
Parmigiano Reggiano: melts straight into the sauce and adds that salty, nutty depth.

✔ How To Make Spaghetti Aglio e Olio

Bring a large pot of water to boil.Generously season with salt, and add the pasta to cook. Meanwhile, to a large saucepan, add the olive oil and set to low heat.

Add the garlic, peppers, and red pepper flakes and let lightly simmer for about 5 minutes.

🤝 Sammy’s Tips for Spaghetti Aglio e Olio

  • Make sure you can taste the salt in the water, this is where a lot of the flavour in the dish will come from, so be generous.
  • If the garlic looks like it’s burning, or becoming too golden in colour, add a splash of olive oil to bring down the heat.

Once the pasta is al dente, reserve some pasta water and add 1/2 cup to the saucepan. Let cook for 2 minutes, allowing it to combine with the olive oil and peppers.

Add the spaghetti and fresh parsley, and gently toss to combine until the sauce becomes glossy. About 2 minutes.

Add the cheese and toss to combine, adding more reserved pasta water if needed. Serve right away!

🗒 Variations

Lemon: a squeeze of fresh lemon juice and some zest stirred in at the end adds a brightness.
Breadcrumbs: toast some panko in a dry pan with a little olive oil until golden, then scatter over the top before serving.
Capers: fold in a tablespoon of rinsed capers along with the parsley for a briny, punchy contrast to all that rich garlic oil.

🗒 Substitutions

Pasta shape: spaghetti is traditional for aglio e olio recipes, but linguine or bucatini work here too — any long pasta with enough surface area to grab the sauce.
Peperoncino: if you can’t find them, just increase the red pepper flakes slightly. You’ll lose a little of that fruity heat, but it’ll still be delicious.
Fresh parsley: flat-leaf parsley is ideal, but fresh basil at the end works really well too if that’s what you’ve got.

🍴 Leftovers? Lucky you.

Store any leftovers in an airtight container in the fridge for up to two days. To reheat, warm in a pan over medium-low heat with a small splash of olive oil and a little water to loosen the sauce back up, tossing gently until heated through.

🤔 FAQs

What does aglio e olio mean?

It’s Italian for “garlic and oil.” The magic comes from the technique of emulsifying the two together with starchy pasta water.

What’s the difference between spaghetti aglio e olio and spaghetti aglio e peperoncino?

Aglio e olio is the base — garlic and oil. Aglio e peperoncino just adds chili pepper into the mix. My version uses both fresh peperoncino and red pepper flakes for a deeper, more layered heat.

Can I use pre-minced garlic?

You can, but slicing the garlic yourself really does make a difference. Thinly sliced garlic melts into the oil slowly and turns sweet and nutty as it cooks. Pre-minced tends to burn faster and has a sharper, more aggressive flavour that can throw the balance off.

How do I stop the garlic from burning?

Low and slow. Keep the heat on low and don’t walk away from the pan. If it’s colouring too fast, add a splash more olive oil to bring the temperature down immediately. Golden is perfect — any darker than that and it’ll turn bitter.

Is this recipe vegetarian?

Yes, as written, it’s fully vegetarian. Just make sure your Parmigiano Reggiano is made with vegetarian rennet if that’s important to you.

👩‍🍳 Hungry For More?

If you loved this spaghetti aglio e olio recipe, here are a few more you’ll probably want to add to the rotation:

💌 Let’s Stay Connected

Keep in touch with me on Instagram, TikTokFacebook, and Pinterest! If you do make this spaghetti aglio e olio recipe (or any recipe of mine) don’t forget to leave a review.

A skillet filled with cooked spaghetti aglio olio e peperoncino, garnished with fresh basil leaves and sliced red chili peppers, sits on a gray surface.
5 from 2 votes

Spaghetti Aglio e Olio

By Sammy Montgoms
Spaghetti Aglio e Olio brings together simple ingredients: spaghetti, olive oil, garlic, spicy peppers, and cheese. It all comes together in under 10 minutes, proving that sometimes the simplest recipes are the best.
Prep: 5 minutes
Cook: 10 minutes
Total: 15 minutes
Servings: 4 people
Prep: 5 minutes
Cook: 10 minutes
Total: 15 minutes
Servings: 4 people

Ingredients 

  • 1 box spaghetti (340 grams)
  • 1 cup reserved pasta water
  • 1/3 cup olive oil, extra virgin
  • 6 garlic cloves, sliced thin
  • 2 spicy peperoncino (peppers), sliced thin
  • 1/2 tsp red pepper flakes,
  • 1/4 cup fresh parsley, chopped fine
  • 1/2 cup parmigiano reggiano, grated fine

Instructions 

  • Bring a large pot of water to boil.
    Generously season with salt, and add the pasta to cook.
    Sammy's tip: make sure you can taste the salt in the water, this is where a lot of the flavour in the dish will come from, so be generous.
  • Meanwhile, to a large saucepan, add the olive oil and set to low heat.
  • Add the garlic, peppers, and red pepper flakes and let lightly simmer for about 5 minutes.
    Sammy's tip: if the garlic looks like it's burning, or becoming too golden in colour, add a splash of olive oil to bring down the heat.
  • Once the pasta is al dente, reserve some pasta water and add 1/2 cup to the saucepan. Let cook for 2 minutes, allowing it to combine with the olive oil and peppers.
  • Add the spaghetti and fresh parsley, and gently toss to combine until the sauce becomes glossy. About 2 minutes.
  • Add the cheese and toss to combine, adding more reserved pasta water if needed.
  • Serve right away!

Nutrition

Calories: 636kcal | Carbohydrates: 87g | Protein: 20g | Fat: 23g | Saturated Fat: 5g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 14g | Cholesterol: 9mg | Sodium: 218mg | Potassium: 319mg | Fiber: 4g | Sugar: 3g | Vitamin A: 505IU | Vitamin C: 11mg | Calcium: 188mg | Iron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Author: Sammy Montgoms
Prep Time: 5 minutes
Cook Time: 10 minutes
Total Time: 15 minutes
Course: Main Course
Cuisine: Italian
Servings: 4 people
Calories: 636
Like this recipe? Leave a comment below!

About Sammy Montgoms

I am so glad you are here. I am a BIG foodie gal. I am one of those people who lives to eat, rather than eats to live. I love to create nostalgic Italian dishes (especially pasta), but I also love to whip up simple and quick recipes for my family. Hopefully, my page inspires you to do the same. Thank you for being here, and happy eating!

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5 from 2 votes

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6 Comments

  1. Try adding a non of unsalted butter right at the end off of the heat and toss until combined. Adds a nice little bit of richness.

  2. 5 stars
    Love, love your recipes and Italian hits the spot BUT can you suggest the use of something else other than spicy peppers? Due to the chronic heartburn issues, we have to keep away from spicy additions (bye-bye buffalo wings). Other than that, bring on the garlic and parmigiano reggiano!

  3. 5 stars
    Hi Sammy,

    Thanks for the recipe!!!

    Having lived in Nice (south of France) most of my life, which is very close to Italy, obviously a lot of the food we eat here is Italian dishes and Spaghetti Aglio Olio e Peperoncino is my favorite, I make it at least 3-4 times a month.

    You give some very good information on the olive oil, it shouldn’t be heated too much because it will lose its goodness and vitamins etc , and the garlic should never be brown and it should nearly stay white.

    The combination of garlic and red pepper has enormous health benefits.
    And as you very well said it’s a dish where we can really go hard on the garlic, but what’s your tip for the following day?

    Eating that much garlic will definitely give garlic breath for a day or 2 after.
    Do you do something in particular ?

    I was told chewing parsley and a fresh coffee bean gets rid of the garlic smell, but it didn’t work on me 😂

    Thanks 🙏

    1. I really love this comment. Hi John! Bring on the garlic breath! Nothin’ you can do – LOL! Warmest, Sammy

  4. I’d like to make this, but your picture looks like fresh basil, not parsley. Am I missing something? Thanks