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Preserved Green Tomatoes

A preserve made by boiling green tomatoes with lemons, sugar, ginger, and water.

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 ↓

Preserved Green Tomatoes

Ingredients

Directions

Prepare the fruit

  1. Wash the green tomatoes and cover them with boiling water.

  2. Let them sit for 30 minutes, then wipe the tomatoes and cut them into slices.

  3. Slice the lemons and remove the seeds.

Cook

  1. In a porcelain kettle, combine the tomatoes, lemons, sugar, ginger, and water.

  2. Cover the kettle and cook slowly for 1.5 hours, skimming carefully.

  3. Let the mixture cool, then once cold, bring it back to a boil and simmer gently for another hour.

Jar and seal

  1. Transfer the mixture into small jars or tumblers.

  2. Once cool, seal the jars.

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. Lemon + sugartop 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

Green tomatoes
Provide the bulk of the preserve and its tart, firm body.
Lemons
Add acidity and bright flavor that balance the sugar.
Granulated sugar
Sweetens the preserve and helps it set into a thick, spreadable texture.
Ginger
Adds warm, aromatic spice that complements the tomatoes and lemon.

The step that matters

Skimming during the first long simmer. Skimming removes foam and impurities that rise to the surface as the fruit cooks, keeping the preserve clear and clean-tasting. Cooking slowly keeps the slices intact rather than breaking them down.

Swap the tomato

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

  1. Arrowrootfits better
  2. Sweet potatofits better
  3. Broccolifits better
  4. Tomatothe original

Fit is the average pairing score against lemon, sugar, 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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