Aglio e Olio: The Four-Ingredient Classic, Cooked a Mile High
Aglio e olio is the base recipe of the Italian pantry: spaghetti, olive oil, garlic, chile, and the water the pasta cooked in. The anchovy and chile aglio e olio recipe builds on it. This version is scaled for two and corrected for a kitchen a mile above the sea. Nothing hides in a recipe this small. The garlic decides whether the dish tastes sweet or bitter, and the final toss decides whether the oil becomes a sauce or a slick, which is the emulsion the how to cook dried pasta guide explains.
The ratio to remember is per 100 grams of pasta: two cloves of garlic, two tablespoons of oil, a fat pinch of chile flakes. Hold that and the recipe scales up or down.
Ingredients
- 200 g (7 oz) spaghetti
- 60 ml (1/4 cup) extra virgin olive oil
- 4 garlic cloves, sliced thin and evenly
- 1/2 teaspoon chile flakes
- 2 tablespoons chopped flat-leaf parsley
- Fine sea salt for the pasta water, at one percent
Method
- Boil. Bring 3 quarts of water salted at one percent to a full boil. Drop the spaghetti, stir for the first minute so nothing fuses, and set a timer for the package time; at altitude, start tasting when it rings.
- Warm the garlic. Put the oil and the sliced garlic in a wide skillet over medium-low heat, starting them cold together so the garlic warms with the oil rather than landing in hot fat. Cook 4 to 6 minutes, swirling the pan, until the slices soften and settle at the color of straw. Past straw, garlic starts to turn harsh and bitter, and there are only four ingredients here to cover for it.
- Bloom the chile. Stir the chile flakes into the warm oil for thirty seconds, then take the pan off the heat and wait for the pasta. Capsaicin dissolves readily in fat and only poorly in water, so a short bloom in the warm oil pulls heat and flavor out of the flakes far better than the pot of water would.
- Reserve, then drain. Scoop out one full cup of pasta water before anything goes near the colander. Drain the pasta while a thin white core still shows at the center of a bitten strand; it finishes cooking in the pan.
- Toss. Return the skillet to medium heat, add the pasta and a quarter cup of the reserved water, and toss hard with tongs for one to two minutes, adding water a splash at a time. The starch the pasta shed into that water helps oil and water hold together, and the moment they do, the pan turns from slick to glossy and the sauce clings to every strand. Stop there.
- Finish. Off the heat, add the parsley, taste for salt, and serve at once in warm bowls. It waits for no one.
A mile high
In Denver the pot behaves differently, and the box does not know that. At 5,000 feet water boils at about 203°F instead of 212°F, so the pasta simmers cooler and needs longer; treat the package time as the moment to start tasting, not the moment to drain. Liquids also evaporate faster up here, which is why this recipe reserves a full cup of water for a two-person portion: expect the pan to need more of it during the toss than it would at sea level. The cooking at altitude guide covers the rest of the kitchen.
Where it fails
| Symptom | What happened | Next time |
|---|---|---|
| Bitter, harsh | The garlic went past straw toward brown | Start it cold in the oil, keep the heat low, and pull the pan the moment the color turns |
| Oil pooling in the bowl | The emulsion never formed | More water and harder tossing over the heat; never rinse the pasta |
| Tight and dry | The water cooked off before the sauce came together | Add the reserved water a splash at a time and keep the full cup within reach |
| Dull | Undersalted water | One percent by weight, per the salting guide; the sauce itself contains almost no salt |
Notes
The oil carries the dish. A quarter cup for two people is the sauce, not a cooking medium, so pour something worth tasting on its own; the olive oil buying guide explains how to choose one. Capezzana extra virgin olive oil (shop Capezzana) is one bottle to pour here. The chile sets the personality. Cobanero (shop Cobanero), grown in the mountains around Cobán in Guatemala, brings a smoky, fruity heat in the range of cayenne, so start with the full half teaspoon only if the table likes it hot. The dried chiles and chile flakes guide compares the heat of the other flakes. The upgrade path is the anchovy and chile recipe linked above, which dissolves two fillets into the garlic oil and turns a midnight pasta into something that tastes slow-cooked.
For the pot itself, use Gentile spaghetti (shop Gentile spaghetti).
Sources & Further Reading
- The Pantry Dispatch: How to Cook Dried Pasta Properly
- The Pantry Dispatch: Cooking at Altitude
- Colorado State University Extension: High Elevation Food Preparation Guide
- Chemical and Pharmacological Aspects of Capsaicin (PMC)
- Formulation and Characterization of Soybean Oil-in-Water Emulsions Stabilized Using Gelatinized Starch Dispersions from Plant Sources (PMC)
- Harold McGee, On Food and Cooking, 2nd ed. (2004), the onion family
