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Green Tomato Preserve

A preserve made from green tomatoes, sugar, lemon slices, and optional preserved ginger.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 Preserve

Ingredients

Directions

Prepare

  1. Cut small tomatoes into quarters and shape larger ones similarly.

Make the syrup

  1. In a pot, combine sugar with just enough water to dissolve it.

  2. Add the thin lemon slices and cook for a short time.

Cook the tomatoes

  1. Add the tomatoes and cook until they are transparent and tender.

  2. If desired, stir in preserved ginger.

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

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

  5. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

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

Tomatoes
Form the body of the preserve and turn tender and translucent as they cook in syrup.
Sugar
Provides sweetness and thickens the syrup, and its concentration helps preserve the fruit.
Lemons
Adds acidity that brightens the flavor and helps the preserve set.

The step that matters

Cook the tomatoes until transparent and tender. Sugar syrup draws moisture out of the fruit and firms it, so the tomatoes need enough time to turn translucent and tender. Cooking too long, however, can break them down into mush, so watch them closely.

Swap the ginger

The recipe marks ginger as optional. How well each one fits the dish's main ingredients (tomato, sugar, lemon):

  1. Corianderfits better
  2. Basilfits better
  3. Oreganofits better
  4. Gingerthe original

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