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Italian Spaghetti

A simple pasta dish of spaghetti tossed with sautéed onions, tomatoes, bacon, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Italian Spaghetti

Oven, in the book's wordsA moderate oven

Ingredients

Directions

Prepare

  1. Cook spaghetti in salted water until tender, then drain.

  2. Fry onions until light brown, then add tomatoes that have been sieved to remove seeds.

  3. Fry bacon until crispy, then chop finely.

Combine and serve

  1. Mix all ingredients together, season to taste, and serve.

  2. Optionally, sprinkle grated cheese over the top before serving.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Onion + tomatotop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Tomato + cheesetop 13% of all pairs
    Smell alikemoderate
    Cooked together2,896 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Onion + cheesetop 16% of all pairs
    Smell alikemoderate
    Cooked together4,849 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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 carries the sauce.
Onions
Build sweetness and savoury depth as they brown slowly.
Tomatoes
Provide acidity, moisture and the base of the sauce.
Bacon
Adds salty, smoky fat that flavours the sauce.

The step that matters

Fry onions until light brown. Browning onions slowly develops sweetness and depth. Burnt onions turn bitter and can taint the whole sauce, so keep the heat moderate and stir often.

Swap the onion

How well each one fits the dish's main ingredients (tomato, pepper, cheese):

  1. Capsicumfits better
  2. Potatofits better
  3. Eggplantfits better
  4. Onionthe original

Fit is the average pairing score against tomato, pepper, cheese. Candidates are from the same food group and used in at least 100 recipes.

“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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