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Dessert

English Toffee

A sweet confection made from brown sugar, vinegar, butter, and nuts.

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 ↓

English Toffee

Ingredients

Directions

Make the toffee

  1. Heat the butter, brown sugar, and vinegar in a saucepan over medium heat.

  2. Cook the mixture until it reaches the snap stage.

Set and mark

  1. Pour the toffee over the nuts in a well-buttered pan.

  2. Mark the toffee into squares before it cools.

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 + nutstop 19% of all pairs
    Smell alikemoderate
    Cooked together1,291 recipes

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

  4. Vinegar + buttertop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

  5. Sugar + nutstop 25% of all pairs
    Smell alikelow
    Cooked together2,228 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

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

What each ingredient does

Brown sugar
Provides sweetness and, as it cooks, the caramel flavour and colour of the toffee.
Butter
Adds fat and richness, giving the toffee a smooth, tender bite.
Vinegar
Adds a little acidity that helps balance the sweetness of the sugar.
Nuts
Add crunch and a toasty flavour against the sweet toffee.

The step that matters

Cooking to the snap stage. Sugar syrup must reach the correct temperature to set hard and brittle once cooled. Undercooked toffee stays soft and sticky, while overcooked toffee can taste bitter or burnt.

Swap the nuts

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

  1. Almondfits better
  2. Sesamefits better
  3. Soybeanfits better
  4. Nutsthe original

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