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Dessert

Treacle Candy

Treacle candy is a sweet made from treacle, brown sugar, butter, vinegar, and soda, boiled and set into sticks.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Treacle Candy

Ingredients

Directions

Make the candy

  1. Combine treacle, brown sugar, butter, and vinegar in a large saucepan.

  2. Boil the mixture until a few drops harden immediately in cold water.

  3. Dissolve the carbonate of soda in a little hot water and stir the dissolved soda into the mixture.

  4. Pour the mixture into an oiled or buttered tin.

  5. Turn the edges of the tin as the mixture cools.

Pull and shape

  1. Pull the candy until white.

  2. Draw the candy into sticks and cut into short lengths.

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 + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Butter + vinegartop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Treacle
Provides the dark colour, rich flavour and chewy body of the candy.
Brown sugar
Adds sweetness and helps the candy set firm when boiled.
Butter
Adds fat for a tender texture and smoother bite.
Carbonate of soda
Reacts with the acid and hot mixture to release gas, aerating the candy so it pulls light and white.

The step that matters

Boil until a few drops harden immediately in cold water. Boiling drives off water and concentrates the sugars. If the mixture is undercooked it stays sticky and will not set; if overcooked it becomes brittle and hard to pull. The cold-water test shows when enough water has gone.

“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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