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Dessert

Sugar Candy

A hard sugar candy made by boiling sugar with water, cream of tartar, and vanilla, then cooling into squares or ropes.

From an old cookbook · modernised transcription
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Sugar Candy

Why it works: Cream and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Sugar Candy

Ingredients

Directions

Make the syrup

  1. Wet the sugar with cold water in a porcelain-lined saucepan.

  2. Heat until the sugar dissolves.

  3. Dissolve the cream of tartar in a spoonful of cold water and stir it into the mixture.

  4. Boil the mixture until a bit hardens when dropped into cold water.

Finish and set

  1. Remove the mixture from heat and stir in the vanilla.

  2. Pour the mixture into greased pans and mark it into squares.

  3. Set the squares aside to harden.

  4. Alternatively, pull the candy into long ropes with buttered fingertips as it cools.

  5. Let the candy cool completely until brittle before eating.

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.

Photo for illustrative purposes only · Contact us to use it

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. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

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

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

  4. Vanilla + buttertop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Cream + vanillatop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

    Shared aroma: 2-nonanone (fruity, floral).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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 sweet body of the candy and sets firm as the syrup cools.
Cream of tartar
Acidity that helps prevent the sugar from crystallising into a grainy texture.
Cold water
Dissolves the sugar evenly before the syrup is boiled.

The step that matters

Boil the mixture until a bit hardens when dropped into cold water. Sugar candy firmness depends on how far the syrup is boiled. Too little boiling leaves it soft and sticky, while too much makes it hard and brittle. Testing a drop in cold water shows when it has reached the right stage.

“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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