Spaghetti Aglio e Olio

Ingredients

• 1 pound (500g) spaghetti (or similarly shaped pasta)
• 1/2 cup (110g) extra virgin olive oil
• 5-6 garlic cloves
• 1/4 tsp red pepper flakes
• bunch fresh parsley

Method

Spaghetti aglio e olio is built on a single principle: the olive-oil must carry the flavour of garlic through emulsification with pasta starch, not drown in fat. Start by bringing a large pot of salted water to a rolling boil for the pasta.

Whilst the water heats, slice your garlic thinly — roughly 2mm. Thickness matters: thin slices cook evenly and release their flavour without burning into bitter splinters. Pour the olive oil into a cold large skillet, add the garlic slices, and place over medium heat. The oil will gradually warm around the garlic rather than searing it. Watch closely. After 3–4 minutes, the slices will turn translucent. Another minute brings them to a light biscuit colour — that pale, uniform blonde. The moment they reach this point, add the red pepper flakes and immediately lower the heat to its minimum setting. The residual warmth will toast the flakes gently, releasing their capsaicin into the oil without charring them to acrid char. This isn't infusion theatre; the heat activates the compound that carries the heat flavour itself.

Drop the spaghetti into boiling water and cook to al dente — there should be a slight resistance at the core when you bite it. About one minute before it finishes, reserve roughly 200ml of the cooking water in a mug or small bowl. The starch suspension in this water is the binding agent that turns loose oil into a proper sauce through emulsification.

Drain the pasta and add it directly to the oil and garlic. Pour in about half of the reserved water and toss constantly for 1–2 minutes. The starch swells and binds the oil into an emulsion — the pasta should look silky and lightly coated, not slick or wet. If it tightens too much, add more water a splash at a time. The tossing motion matters: it creates the friction that forces the emulsion together.

Tear the parsley roughly and scatter it over the pasta as you plate, never heating it. The volatile oils in fresh parsley vanish in heat; adding it at the table preserves the green, peppery bite that cuts through the fat. Season with fleur de sel if needed. Serve immediately — the emulsion breaks if left standing.