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Vegetable Marrow with Onions

A sautéed vegetable marrow and onion dish cooked with butter, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Vegetable Marrow with Onions

Oven, in the book's wordsA hot oven

Ingredients

Directions

Prepare

  1. Peel and remove the seeds from the vegetable marrow, then cut it into slices.

  2. Boil the slices in water with a little salt until cooked, then drain in a colander.

Cook

  1. Melt the butter in a stewpan.

  2. Add the shredded onions and cook until tender without browning.

  3. Add the vegetable marrow slices to the onions, season with pepper and salt, and shake the stewpan occasionally.

  4. Cook for about 7 minutes until ready.

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

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

  2. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

What each ingredient does

Vegetable marrow
Forms the bulk of the dish and carries the soft, mild texture once cooked.
Onions
Add sweetness and aroma as they soften gently in the butter without browning.
Butter
Adds richness and carries the flavour of the onions across the dish.

The step that matters

Cook the onions without browning. Cooking the onions gently over moderate heat softens them and draws out their sweetness. High heat browns them, which adds bitter, toasted notes that change the intended mild flavour.

Swap the onion

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

  1. Capsicumfits better
  2. Potatofits better
  3. Carrotfits about as well
  4. Onionthe original

Fit is the average pairing score against butter, pepper. 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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