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Dessert

Lemon Taffy

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

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 Taffy

Ingredients

Directions

Make the syrup

  1. In a pot, combine white sugar, boiling water, and vinegar.

  2. Bring to a boil and cook until the mixture reaches the hard ball stage (test by dropping a little in cold water).

Flavour and pull

  1. Remove from heat and add lemon flavoring.

  2. Pull the mixture as you would with molasses 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 bulk of the candy and sets firm as the syrup cooks to hard ball stage.
Vinegar
Adds acidity that helps keep the sugar from crystallising into grainy candy.
Boiling water
Dissolves the sugar so the syrup can be cooked evenly.

The step that matters

Cooking to the hard ball stage. Cooking too short leaves taffy soft and sticky, while cooking too long makes it brittle. The hard ball test checks that the sugar concentration is right for a chewy set after pulling.

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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