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Vegetable Marrow Preserved

A preserved vegetable marrow in a sweet syrup of sugar, lemon, and ginger.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Lemon and ginger match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 5,154 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Vegetable Marrow Preserved

Ingredients

Directions

Prepare the marrow

  1. Soak the vegetable marrow in salt water for 12 hours.

  2. Pare the marrow, remove the seeds and soft parts, and cut it into small, thick, square pieces.

  3. Boil the pieces in water until tender, then strain them.

Make the syrup

  1. Make a syrup by boiling powdered sugar with the sliced lemons and whole ginger.

  2. Once the syrup is cold, add the vegetable marrow and let it stand for 2 days.

  3. Pour off the syrup, add more sugar, boil it again, and combine it with the vegetable marrow.

  4. Remove the vegetable marrow, boil the syrup several times until it is strong and transparent.

  5. On the last boil, add the vegetable marrow back into the syrup.

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. Lemon + gingertop 5% of all pairs
    Smell alikestrong
    Cooked together5,154 recipes

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

  2. Ginger + sugartop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  3. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

Ginger and sugar barely smell alike, yet cooks put them together in 14,054 recipes: they work on texture and structure more than aroma.

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 preserve and absorbs the sugar syrup as it becomes translucent.
Sugar
Preserves the marrow and builds the thick, sweet syrup that sets its texture.
Coarse sea salt
Draws water out of the marrow during the initial soak, firming its flesh.
Lemons
Adds acidity and bright flavour to the syrup.
Ginger
Adds aroma and warm spice flavour to the syrup.

The step that matters

Boiling the syrup several times until strong and transparent. Repeated boiling concentrates the sugar so the syrup thickens and preserves the marrow. Boiling too briefly leaves it thin and the marrow can spoil, while the sugar gradually replaces water in the flesh, making the pieces clear.

Swap the lemon

How well each one fits the dish's main ingredients (ginger, sugar):

  1. Lemonthe original
  2. Orangefits about as well
  3. Limefits less well
  4. Vanillafits less well

Fit is the average pairing score against ginger, sugar. 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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