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Spaghetti Aglio E Olio

A simple Italian pasta dish of spaghetti tossed with garlic-infused olive oil, black pepper, and parsley.

From the Wikibooks Cookbook · 5 ingredients
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Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 34,122 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Spaghetti Aglio E Olio

1–2

Ingredients

Directions

Prepare

  1. Boil spaghetti in sufficiently salted water until al dente.

  2. Peel the cloves of garlic and crush them gently with the heel of the hand.

Make the garlic oil

  1. Heat olive oil in a pan.

  2. Add the crushed garlic to the oil and cook until it turns golden.

  3. Be careful not to let the garlic become too dark, as it will become bitter.

  4. Remove the garlic from the oil.

Finish and serve

  1. Drain the cooked spaghetti.

  2. Add the spaghetti to the pan with the olive oil.

  3. Season with black pepper, mix everything, and serve with chopped parsley.

Recipe from the Wikibooks Cookbook.

Steps grouped into stages for easier reading; the method is the source's own.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Pepper + parsleytop 2% of all pairs
    Aroma overlapstrong
    Mentioned together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Garlic + olivetop 2% of all pairs
    Aroma overlapmoderate
    Mentioned together25,665 recipes

    Shared aroma: linalool (floral, citrus).

  3. Garlic + parsleytop 4% of all pairs
    Aroma overlapstrong
    Mentioned together9,308 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Clove + peppertop 5% of all pairs
    Aroma overlapstrong
    Mentioned together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  5. Olive + parsleytop 6% of all pairs
    Aroma overlapstrong
    Mentioned together9,649 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Spaghetti
Forms the bulk of the dish, and its starchy surface helps the oil cling to it.
Garlic
Gives the oil its main aroma and flavour as it cooks gently.
Olive oil
Carries the garlic flavour and coats the pasta to form the sauce.

The step that matters

Cooking the garlic to golden. Garlic cooks quickly in hot oil. Once it darkens too far, its sugars and proteins scorch and it turns bitter, which spoils the whole sauce. Removing it at golden keeps the flavour sweet and nutty.

Flavor stand-ins for the clove

How well each one fits the dish's main ingredients (garlic, olive, pepper, parsley):

  1. Thymebetter flavor fit
  2. Basilbetter flavor fit
  3. Rosemarybetter flavor fit
  4. Clovethe original

Fit is the average pairing score against garlic, olive, pepper, parsley. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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