Authentic spaghetti aglio e olio is a classic Italian pasta made by tossing spaghetti with garlic-infused olive oil, chili, parsley, and starchy pasta water. It is ready in 15 minutes, with a glossy coating that clings to every strand without butter, cream, or cheese.
Why You'll Love My Spaghetti Aglio e Olio
- Ready in 15 minutes: The sauce comes together while the spaghetti cooks, keeping the complete meal genuinely quick.
- Glossy without cream: Reserved pasta water helps the garlic-infused oil coat the spaghetti without butter, cream, or cheese.
- Built from simple ingredients: Spaghetti, olive oil, garlic, chili, and parsley create the complete dish.
- Two tested chili options: Use fresh red chilies or red pepper flakes, depending on what is available.
I first noticed this pasta at a busy trattoria tucked along a side street. The menu was short, yet plates of simple garlic pasta kept leaving the kitchen. That memory stayed with me because uncomplicated dishes often feel the most satisfying. My carbonara shares that ingredient-first spirit, while cherry tomato pasta brings similar comfort with a brighter sauce. Now I make aglio e olio whenever I want a warm meal without a long ingredient list.
Garlic gives the olive oil depth, while the chilies add warmth and parsley lifts the finish. I cook the garlic gently because lightly golden garlic stays fragrant without becoming bitter. The same careful heat control matters in gambas al ajillo, where garlic also carries the dish. Reserved pasta water creates a glossy coating, similar to the technique behind creamy hummus pasta. Fresh parsley adds the herb lift I enjoy in pesto pasta, keeping the finished spaghetti bright and balanced.
Key Ingredients in Spaghetti Aglio e Olio
The exact measurements are in the recipe card, but these ingredients determine the flavor and texture of the finished pasta.
- Spaghetti and pasta water: I choose spaghetti because the long strands hold the oil, while its starchy water helps create the glossy coating.
- Extra-virgin olive oil: For me, a flavorful extra-virgin olive oil matters because it forms the foundation of the sauce.
- Garlic and chilies: I cook minced garlic gently for its fragrant flavor, while fresh chilies or red pepper flakes provide warmth.
- Fresh parsley: I add the parsley at the end so its clean herbal flavor stays noticeable against the garlic-infused oil.
How to Make Spaghetti Aglio e Olio
The complete printable recipe appears below, but this four-step overview shows how the pasta comes together.
1. Cook the spaghetti: Boil the spaghetti in salted water until al dente. Reserve some pasta water before draining.
2. Infuse the olive oil: Gently cook the minced garlic with the fresh chilies or red pepper flakes until fragrant and lightly golden.
3. Toss the pasta: Add the drained spaghetti and some reserved pasta water. Toss until every strand looks glossy and evenly coated.
4. Finish and serve: Add the parsley, divide the pasta among bowls, and finish with an optional drizzle of olive oil.
Tips for Authentic Aglio e Olio
- Choose a flavorful olive oil: Because olive oil forms the sauce, its flavor remains noticeable in every bite.
- Prepare everything first: The garlic cooks quickly, so have the chilies, parsley, and reserved-water container ready before heating the skillet.
- Season the cooking water: Properly salted water seasons the spaghetti itself instead of relying entirely on the finished sauce.
- Use a large skillet: Extra room makes it easier to toss the spaghetti thoroughly and distribute the garlic-infused oil.
Storage
I refrigerate leftover spaghetti aglio e olio in an airtight container for up to three days. I reheat it gently in a skillet with a small splash of water, which helps loosen the pasta and restore its glossy coating.
What to Serve With Spaghetti Aglio e Olio
I like serving this pasta with a tomato burrata salad and warm homemade ciabatta. For a more substantial dinner, cast-iron chicken breast adds protein without covering the pasta's garlic and chili flavors.
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Recipe
Spaghetti Aglio e Olio
Ingredients
- 250 g dry spaghetti
- 2 teaspoons salt - for the pasta water
- 3 tablespoons extra virgin olive oil
- 5 garlic cloves - minced
- 3 fresh red chilies - finely sliced, or ½ teaspoon red pepper flakes
- 2 tablespoons fresh parsley - finely chopped
- Extra virgin olive oil - for an optional finishing drizzle
- 240 ml pasta water
Instructions
- Bring a large pot of water to a boil. Add 2 teaspoons salt and 250 g dry spaghetti. Cook according to the package directions until al dente. Reserve 240 ml pasta water, then drain the spaghetti.
- While the spaghetti cooks, heat 3 tablespoons extra virgin olive oil in a large skillet over low-medium heat. Add 5 garlic cloves, minced, and either 3 fresh red chilies, finely sliced, or ½ teaspoon red pepper flakes. Cook for 1-2 minutes, stirring frequently, until the garlic is fragrant and lightly golden.
- Add the drained spaghetti and 60 ml pasta water to the skillet. Toss until the spaghetti looks glossy and evenly coated in the garlic-infused oil. Add more reserved pasta water in small amounts if needed.
- Add 2 tablespoons fresh parsley, finely chopped, and toss until combined. Divide the spaghetti aglio e olio among four bowls. Finish with an optional drizzle of extra-virgin olive oil and serve immediately.
Notes
Nutrition
Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.
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