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Dessert

Lemon Candy

A hard candy made from sugar, water, vinegar, and lemon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Sugar and vinegar are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 20,806 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Lemon Candy

Ingredients

Directions

Cook the syrup

  1. Combine the sugar, water, and vinegar in a saucepan.

  2. Cook without stirring for 30 minutes.

  3. Add the lemon juice and continue cooking until it hardens in cold water.

Set and finish

  1. Pour the mixture onto buttered plates.

  2. Before it hardens, press walnuts or your preferred nuts into the candy.

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. Sugar + vinegartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

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

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

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

  3. Vinegar + lemontop 20% of all pairs
    Smell alikemoderate
    Cooked together7,334 recipes

    Shared aroma: acetic acid (sour, vinegar).

Sugar and lemon 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

White sugar
Forms the candy base and provides the sweetness as it cooks into a hard, glassy set.
Vinegar
Adds acidity that helps keep the sugar from crystallizing into grainy candy.
Lemon
Adds bright acidity and citrus aroma to the sweet candy.

The step that matters

Cook until it hardens in cold water. Sugar syrup sets according to its final temperature. Stopping early leaves the candy sticky and soft, while overcooking makes it bitter and can scorch it.

Swap the lemon

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

  1. Vanillafits better
  2. Strawberryfits better
  3. Pineapplefits better
  4. Lemonthe original

Fit is the average pairing score against sugar, vinegar. 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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