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Preserve

Preserved Green Tomatoes

A preserved green tomato recipe using lemons and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Tomato and lemon are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 4,592 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Preserved Green Tomatoes

Ingredients

Directions

  1. Slice the green tomatoes and six lemons, removing the seeds but keeping the skins.

  2. In a large pot, combine the tomatoes, lemons, and sugar.

  3. Boil the mixture until it becomes transparent and the syrup thickens.

  4. If desired, add Giup-er root for flavor.

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

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

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

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

  3. Tomato + sugartop 33% of all pairs
    Smell alikelow
    Cooked together4,667 recipes

    Shared aroma: beta-damascenone (apple, rose).

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
Form the bulk of the preserve, softening and taking on the sweet syrup.
Lemons
Add acidity and aromatic citrus flavor that balances the sweetness of the sugar.
Common white sugar
Sweetens the preserve and, as it dissolves and boils, thickens the syrup and makes the fruit transparent.

The step that matters

Boil until the fruit turns transparent and the syrup thickens. Sugar must dissolve fully and concentrate through boiling to reach a thick syrup that preserves the fruit. Stopping too early leaves a thin, less stable syrup, while overcooking can make the sugar crystallize or scorch.

Swap the tomato

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

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

Fit is the average pairing score against lemon, 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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