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Dessert

Butter Scotch

A candy made by cooking sugar, vinegar, butter, and vanilla until a soft ball forms, then cooled and cut into squares.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Butter Scotch

Ingredients

Directions

Make the candy

  1. Combine sugar, diluted vinegar, and butter in a saucepan.

  2. Cook over medium heat, stirring constantly, until a small amount forms a soft ball in cold water.

  3. Remove from heat and stir in vanilla.

Set and cut

  1. Pour into a buttered pan and let cool.

  2. Cut into squares once set.

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

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

  2. Walnut + vanillatop 10% of all pairs
    Smell alikestrong
    Cooked together2,730 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Butter + vanillatop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Butter + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

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

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 bulk of the candy and, when cooked, sets into a brittle, glassy structure.
Vinegar
Acidity helps keep the sugar from recrystallizing, giving a smoother, less grainy texture.
Butter
Adds fat and richness, softening the bite and contributing to the buttery flavor.

The step that matters

Cooking to the soft-ball stage. Stopping at the right point controls the final texture. Under-cooking leaves the candy too soft to hold its shape, while over-cooking makes it hard and brittle. Stirring constantly over medium heat prevents scorching and sugar crystals from forming on the pan sides.

Swap the walnut

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

  1. Almondfits better
  2. Chestnutfits better
  3. Hazelnutfits better
  4. Walnutthe original

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

More butter scotch recipes

Pie 26Candy 12brittle 4Filling 3Squares 3 See all 152 →

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