Spaghetti Aglio e Olio (Garlic and Olive Oil Pasta)
Aglio e Olio is a classic, ultra-simple Italian pasta that turns a few pantry staples into a satisfying weeknight meal. Garlic is slowly infused into olive oil, then tossed with al dente spaghetti, a touch of red pepper, fresh parsley and optional grated cheese for a bright, comforting dish.
Spaghetti Aglio e Olio (Garlic and Olive Oil Pasta)
Aglio e olio is the kind of recipe that reveals how much flavor lives in the simplest ingredients when handled with a little attention. In this version, thinly sliced garlic is slowly warmed in a generous measure of extra-virgin olive oil until just golden, releasing a sweet, nutty aroma rather than the bitter note you get when garlic fries too fast. The trick is the pasta water: its starch tames the oil into a glossy emulsion that clings to each strand of spaghetti, carrying heat, salt and chile evenly so every bite is both silk and bite.
This dish is perfect for weeknights, last-minute dinner guests, or when your pantry is better stocked than your fridge. It responds well to small interventions — a squeeze of lemon, a scattering of toasted breadcrumbs, or a few anchovy fillets whisked into the oil — so it’s both reliable and adaptable. The recipe here favors clarity of technique over gimmicks: control the heat, reserve enough pasta water, and finish off with parsley and fresh-grated cheese only if you want that creamy umami lift.
Plan your timing
Ingredients
Instructions
Cook the pasta
For this step
- 12 ozSpaghetti
- 1 tbspKosher salt (for pasta water)
Infuse the oil
For this step
- 0.38 cupExtra-virgin olive oil
- 6 cloveGarlic, thinly sliced
- 1 tspRed pepper flakes
Combine pasta and oil
Finish and season
For this step
- 0.25 cupFresh parsley, chopped
- 0.5 cupFreshly grated Parmesan or Pecorino (optional)
- 0.25 tspFreshly ground black pepper
Serve
Tips from the kitchen
Slice garlic uniformly
Cut garlic into even thin slices so they cook at the same rate and you avoid a mix of raw and burnt pieces.
Low and slow oil
Warm the oil over low–medium heat and be patient; gentle heat extracts sweetness without browning, which keeps the sauce clean-tasting.
Reserve enough water
Save at least 1 cup of pasta water — its starch is essential to create a silky emulsion and loosen the sauce if it tightens too much.
Bloom the chile
Add red pepper flakes at the end of the garlic step for 20–30 seconds to bloom the spice without burning or turning it bitter.
Use residual heat
Finish tossing the pasta off the heat to avoid overcooking the garlic and to let the emulsion form without evaporating the liquid.
Variations & substitutions
Anchovy and caper
Mince 2–3 anchovy fillets into the oil at the start to melt them in and add 1 tablespoon of capers at the end for briny depth.
Lemon and herb
Brighten the dish with 1 teaspoon finely grated lemon zest and a splash of lemon juice before serving, and swap half the parsley for basil for a fresher note.
Toasted breadcrumb crunch
Toast 1/2 cup of panko in a tablespoon of olive oil until golden and sprinkle over the finished pasta for texture and a nutty flavor.
Vegan/cheese-free
Skip the cheese and add an extra tablespoon of finely chopped parsley plus a squeeze of lemon to compensate for the missing umami and brightness.
Storage & make-ahead
Store leftovers in an airtight container in the refrigerator for up to 2 days; the pasta will firm and absorb oil as it cools. To reheat, warm a skillet with a splash of olive oil or reserved pasta water and toss the pasta over medium heat until loosened and glossy, rather than microwaving straight from cold which can make it dry and clumpy. If you plan to meal-prep, keep the garlic oil separate and toss just before serving.
What to serve with it
Serve aglio e olio simply with a crisp green salad (arugula with lemon vinaigrette works well) and crusty bread to mop up any remaining oil. For wine, choose a bright, unoaked white like Vermentino or Pinot Grigio, or a chilled light red such as a young Chianti if you prefer red; the acidity will cut through the oil and balance the garlic. Plate by twirling nests of spaghetti into warmed shallow bowls, finishing with a scatter of parsley, cracked black pepper, and optional grated cheese.
Frequently asked questions
What temperature should I cook the garlic at?
Cook it over low–medium heat so the garlic softens and turns just golden; too high a heat will brown it quickly and introduce bitterness.
Can I use minced garlic instead of sliced?
You can, but minced garlic cooks faster and is more likely to brown; if using minced, lower the heat and watch it closely, or add it a bit later in the process.
How much red pepper should I use?
The recipe’s 1 teaspoon is a balanced starting point for four servings; reduce for less heat, or increase and toast briefly in the oil if you want a spicier punch.
Do I have to use Parmesan or Pecorino?
No — cheese is optional here. If you skip it, boost acidity with lemon or add a pinch of saltier elements like a few chopped anchovies or capers to replace the umami.
Will this work with other pasta shapes?
Yes — long strands like linguine or bucatini hold the oil particularly well, but small shapes like orecchiette also work because the starchy water helps coat them.
Why did my sauce separate or seem oily?
That usually means not enough pasta water or too much heat. Return the pasta to the pan off the heat and whisk in a tablespoon or two of reserved pasta water at a time until the sauce emulsifies into a glossy coating.
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JakeHello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.
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Ingredients
- Spaghetti12 oz
- Kosher salt (for pasta water)1 tbsp
- Extra-virgin olive oil0.38 cup
- Garlic, thinly sliced6 clove
- Red pepper flakes1 tsp
- Fresh parsley, chopped0.25 cup
- Freshly grated Parmesan or Pecorino (optional)0.5 cup
- Freshly ground black pepper0.25 tsp
Nutrition Facts
Per serving: 1 tsp
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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