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Dessert

Green Tomato Preserves

Preserves made from small green tomatoes, sugar, lemon juice, ginger, and mace.

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 ↓

Green Tomato Preserves

Ingredients

Directions

Prepare

  1. Pierce each tomato with a fork.

  2. In a large pot, combine the tomatoes, sugar, lemon juice, ginger, and mace.

Cook the syrup

  1. Heat the mixture and boil until the tomatoes are clear.

  2. Skim the tomatoes out and spread them on dishes to cool.

  3. Boil the syrup until thick.

Jar

  1. Place the fruit into jars and cover with hot 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. Tomato + gingertop 10% of all pairs
    Smell alikemoderate
    Cooked together1,887 recipes

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

  3. Tomato + lemontop 11% of all pairs
    Smell alikemoderate
    Cooked together4,592 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  4. Ginger + macetop 11% of all pairs
    Smell alikelow
    Cooked together2,152 recipes

    Shared aroma: alpha-pinene (pine, turpentine).

  5. Sugar + gingertop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

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

Sugar and ginger 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

Green tomatoes
Provide the bulk of the preserve and absorb the sugar syrup as they cook.
Sugar
Sweetens the preserve and thickens the syrup as it boils down, helping it set.
Lemon juice
Adds acidity that brightens the flavor and helps keep the preserve set and balanced.
Ginger root
Contributes a warm, spicy aroma and flavor to the syrup.
Mace
Adds a warm, aromatic spice flavor that complements the fruit and ginger.

The step that matters

Boiling the syrup until thick. Sugar concentrates as water evaporates, and the syrup must reach a thick, high-sugar state to preserve the fruit and set properly. Stopping too early leaves a thin syrup that spoils more easily; boiling too long can make the preserve overly firm or caramelize the sugar.

Swap the mace

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

  1. Cardamomfits better
  2. Corianderfits better
  3. Cinnamonfits better
  4. Macethe original

Fit is the average pairing score against tomato, sugar, lemon, ginger. 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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