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Dessert

Lemon Candy

A hard candy made from sugar, vinegar, cream of tartar, lemon juice, and cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Lemon Candy

Ingredients

Directions

Make the syrup

  1. In a large pot, combine the sugar, vinegar, cream of tartar, and lemon juice.

  2. Cook over medium heat, stirring until the sugar dissolves.

  3. Once the mixture reaches a soft ball stage, remove from heat.

Finish the candy

  1. Add the cream and pull the candy until it becomes glossy.

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 + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

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

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

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

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

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

    Shared aroma: acetic acid (sour, vinegar).

  5. Vinegar + creamtop 25% of all pairs
    Smell alikemoderate
    Cooked together4,064 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

Granulated sugar
Forms the body of the candy and provides its sweetness.
Vinegar
Adds acidity that helps keep the sugar from crystallizing.
Cream of tartar
Acts as an acid that helps prevent sugar crystals from forming, keeping the candy smooth.
Lemon juice
Provides bright, sour flavor and adds acidity that keeps the texture smooth.
Cream
Adds fat that softens the texture and gives the candy a creamier, glossier finish.

The step that matters

Removing the pot at soft ball stage. Sugar syrup becomes firmer as its temperature rises, so removing it too late can make the candy hard or grainy. Stopping at the soft ball stage keeps it tender once it is pulled.

Swap the lemon

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

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

Fit is the average pairing score against sugar, vinegar, cream. 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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