Weeknight magic, Italian style. Spaghetti Aglio e Olio uses just a handful of pantry ingredients to deliver a glossy, garlicky sauce that coats every strand. No cream. No fuss. Olive oil, garlic, a touch of chili, and one simple technique keep the sauce light and flavorful.
This version honors the classic while offering optional additions. Butter and Parmesan aren’t traditional, but if you want a touch of richness there’s an easy way to add them so the sauce stays smooth.
If you’ve experienced bitter garlic or a greasy pool at the bottom of the bowl, read on — there’s a fix that will have you nailing this dish tonight.
This is my go-to recipe. I love it. The fresh parmesan cheese gives it that salty nutty flavor. It is easy and delicious. Thank you for sharing.
– Jeri
Recipe At-a-glance
Good to know: Light sauce, not overly oily • Pantry ingredients • Vegetarian
Time: 10 minutes to cook
Serves: 4
Level: Easy
When you want something fast, affordable, and deeply satisfying, this classic Aglio e Olio delivers. It’s simple spaghetti tossed in garlicky olive oil with a bright hint of heat. I’ve loved this dish for years because it’s quick, forgiving, and full of flavor. It’s perfect for a last-minute dinner or when you want comfort without a long shopping list.
Why This is the Best Pasta Dish Ever
- Gently cooked garlic. Start garlic in cold oil so it slowly infuses and turns lightly golden rather than burning.
- Quick pan emulsion. Toss pasta with starchy pasta water a tablespoon at a time until the sauce becomes silky and clings to the noodles.
- Seasoning that sings. Salt the pasta water well so the noodles are seasoned before they meet the sauce.
- Budget-friendly and quick to prepare.
- Packed with bold flavor from garlic, red pepper flakes, and fresh herbs.
- Customizable — add shrimp, anchovies, or Parmesan if you like.
- Perfect for weeknights or last-minute entertaining.
It comes together in about the same time it takes to boil water and cook the pasta.
Pantry Ingredients You Will Need
- Spaghetti – Ideal for soaking up the garlic oil; linguine or angel hair work too.
- Olive Oil – Use good-quality extra virgin olive oil; it’s the base of the sauce.
- Garlic – Thinly sliced or minced; fresh is essential here.
- Red Pepper Flakes – Add warmth; adjust to taste.
- Fresh Parsley – Brightens the dish; basil can substitute if needed.
- Salt & Pepper – Salt the pasta water generously and finish with fresh black pepper.
- Butter and Parmesan (optional) – Add off the heat and toss gradually to keep the emulsion silky, or omit for a classic version.
- Pasta Water – Reserve starchy cooking water to bind the sauce and give it sheen.
See the recipe card below for the full ingredient amounts and step-by-step instructions.
How to Make Aglio e Olio
- Boil the Pasta – Cook spaghetti in generously salted water until al dente. Reserve 1 cup of pasta water before draining. The water should taste well seasoned.
- Sauté the Garlic – While the pasta cooks, heat olive oil in a large skillet over medium heat. Add sliced garlic and red pepper flakes to gently infuse the oil. Cook until the garlic is golden and fragrant — don’t let it burn or it will taste bitter.
- Toss it Together – Add drained pasta straight to the skillet and toss to coat. Add reserved pasta water a tablespoon at a time until the sauce becomes silky and clings to the noodles.
- Finish and Serve – Stir in chopped parsley, season with salt and pepper, and serve immediately. Top with Parmesan or lemon zest if desired, and finish with a drizzle of olive oil.
Kellie’s Tips and Troubleshooting
No peperoncino? Substitute a pinch of black pepper or a drizzle of chili oil at the end.
Looks oily? Toss over heat and add a splash of pasta water until the sauce emulsifies and becomes glossy.
Garlic tastes bitter? It likely burned. Start again and remove the pan as soon as the garlic is lightly toasted.
Cheese clumping? Remove the pan from heat before adding Parmesan and sprinkle it in gradually while tossing.
Pasta Aglio e Olio Variations
- Aglio, Olio e Peperoncino: The classic preparation.
- Anchovy melt: Add 2 anchovy fillets to the oil with the garlic for a savory, umami boost.
- Pangrattato: Finish with toasted breadcrumbs for a crunchy contrast — delicious and textural.
Storing and Reheating Leftovers
Storage – Keep leftovers in an airtight container in the refrigerator for up to 3 days. The olive oil–based sauce helps it hold up well.
Reheating – Warm gently in a skillet over medium heat with a splash of pasta water or a little olive oil to re-emulsify. Microwaving is possible in short bursts with a drizzle of water, but reheating on the stove yields the best texture.
What to Serve with Pasta Aglio e Olio
- Sautéed broccoli rabe or other sautéed greens
- Red wine braised short ribs for a hearty pairing
- Garlic bread for extra garlic flavor
- Italian chopped salad for a crisp contrast
- Chicken Parmesan for a classic combo
- Roast chicken for a simple, satisfying meal
- Grilled vegetables like zucchini, peppers, or eggplant
- Caprese-style salad with fresh mozzarella, tomatoes, and basil
More Easy Pasta Ideas
If you enjoy this spaghetti, try other quick pasta favorites such as Fettuccine Alfredo, Cacio e Pepe, Bucatini All’Amatriciana, Pesto Cavatappi, or a simple baked ziti for a one-pot meal.
Want even more easy, family-friendly recipes? Follow along on social channels and check back for new weeknight ideas and simple comforts.
Pasta Aglio e Olio Recipe
Equipment
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skillet
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wooden spoon
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chef’s knife
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cutting board
Ingredients
- 1 pound spaghetti, or your favorite pasta
- 1/4 cup olive oil
- 1 teaspoon crushed red pepper flakes
- 6 garlic cloves, finely chopped
- 1 tablespoon salted butter, optional
- 1/2 teaspoon kosher salt
- 1/2 cup finely chopped fresh parsley
- 1 cup freshly grated parmesan cheese, optional, not authentic
Instructions
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Bring a large pot of water to a boil and add 3 tablespoons kosher salt. Stir in the pasta and cook according to package directions.
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While the pasta cooks, heat the olive oil in a large skillet over medium heat. Add the crushed red pepper flakes and garlic. Cook until the garlic just begins to turn golden (do not overcook). Turn off the heat and stir in the butter, if using.
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Drain the pasta, reserving 1 cup of the cooking water. Add the pasta to the skillet and toss to coat. Turn the heat to medium-high and add 1/2 cup of the reserved pasta water, then add 1–2 tablespoons at a time until the sauce reaches the desired consistency. Bring briefly to a boil to help the sauce come together.
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Reduce the heat to low, season with salt, and cook until the sauce reduces slightly. Turn off the heat.
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Toss the pasta with parsley and cheese if using. Serve immediately with extra black pepper, a squeeze of lemon, or a drizzle of olive oil to finish.
Notes
- Salt like a pro: Use about 1 tablespoon kosher salt per 4 quarts of water so the pasta is well seasoned.
- Heat level: Use 1/4–1/2 teaspoon crushed red pepper to taste; bloom it briefly with the garlic for aroma.
- Cheese & butter (optional): Add off heat and toss gradually so the emulsion stays smooth.
- Bright finish: A squeeze of lemon and a handful of parsley at the end lift the flavors.
- Variations: Melt 2 anchovy fillets with the garlic for umami, or top with pangrattato (toasted breadcrumbs) for crunch.
- Make ahead: Slice garlic up to a day ahead and keep it chilled; cook the pasta fresh for best texture.
- Storage & reheat: Refrigerate up to 3 days. Reheat gently in a skillet with a splash of water or oil to re-emulsify.
- Gluten-free: Use gluten-free spaghetti and reserve extra pasta water — you may need a bit more to achieve the same sheen.
Nutrition
Nutrition information is automatically calculated and should be used as an approximation.
Yes — skip them and add a crack of black pepper or a drizzle of chili oil at the end.
Traditional aglio e olio doesn’t include cheese. If you prefer it, add Parmesan after removing the pan from heat to keep the sauce smooth.