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Dessert

Butter Scotch

A toffee made from brown sugar, butter, powdered ginger, and a little water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Sugar and ginger are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 14,054 recipes. Both carry 1-penten-3-one, which smells fish, pungent. The science ↓

Butter Scotch

Ingredients

Directions

Make the toffee

  1. Put the brown sugar with a small amount of water in a pan.

  2. Beat the butter until creamy, then add the butter to the pan.

  3. Stir the mixture over the heat.

  4. Drop some of the mixture into a cup of cold water; if it hardens, it's ready.

  5. Stir in the powdered ginger.

Set and cut

  1. Pour the toffee onto a buttered tin.

  2. Beat quickly with a fork for a few minutes.

  3. When cool, cut into neat squares.

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 + gingertop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

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

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

    Shared aroma: guaiacol (smoky, sweet).

  3. Butter + gingertop 26% of all pairs
    Smell alikemoderate
    Cooked together7,152 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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

Brown sugar
Provides the bulk of the sweetness and the caramel flavour of the toffee.
Butter
Adds fat and richness, giving the toffee a smooth texture and buttery flavour.
Powdered ginger
Adds warm, spicy aroma that complements the caramelised sugar.

The step that matters

Testing the cold-water drop. Sugar syrup must reach the hard-crack stage to set firm when cooled. Removing it too early leaves a soft, sticky toffee, while cooking too long can make it brittle or burnt.

Swap the ginger

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

  1. Cinnamonfits better
  2. Nutmegfits better
  3. Gingerthe original
  4. Capersfits less well

Fit is the average pairing score against sugar, 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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