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Dessert

Divinity Fudge

A fudge made with sugar, corn syrup, water, egg whites, vanilla, and nuts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Sugar and syrup match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 5,842 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Divinity Fudge

Ingredients

Directions

Make the candy

  1. Boil sugar, corn syrup, and water until the mixture becomes brittle when dropped in cold water.

  2. Pour the hot mixture over the beaten egg whites and beat rapidly.

  3. As it thickens, add vanilla and chopped nuts.

Set and serve

  1. Pour onto a greased plate and cut into 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 + syruptop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  2. Vanilla + nutstop 8% of all pairs
    Smell alikemoderate
    Cooked together638 recipes

    Shared aroma: alpha-pinene (pine, turpentine).

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

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

  4. Corn + vanillatop 9% of all pairs
    Smell alikemoderate
    Cooked together1,943 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  5. Corn + nutstop 12% of all pairs
    Smell alikemoderate
    Cooked together104 recipes

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

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

Sugar
Forms the sweet, firm candy base as the syrup cools and sets.
Corn syrup
Interferes with sugar crystals so the candy stays smooth rather than grainy.
Egg whites
Whipped into foam that lightens the candy and gives it a soft, airy texture.
Vanilla
Adds aroma and a rounded sweetness to the candy.
Chopped nuts
Add crunch and contrast to the soft, airy candy.

The step that matters

Boil the syrup to the brittle stage. The sugar syrup's concentration sets the final texture. Stopping too early leaves the candy soft and sticky, while cooking too long makes it hard and crumbly. Checking for brittleness in cold water shows when the syrup is ready.

Swap the nuts

How well each one fits the dish's main ingredients (sugar, corn, syrup, egg, vanilla):

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

Fit is the average pairing score against sugar, corn, syrup, egg, 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.

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