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Dessert

Divinity Fudge

A fudge made with sugar, corn syrup, water, vanilla, egg whites, 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 syrups

  1. Combine sugar, corn syrup, and cold water in a saucepan. Cook until the mixture forms a firm ball when tested in cold water.

  2. Combine 1 cup sugar and ½ cup water in another saucepan. Stir over low heat until dissolved.

Beat the candy

  1. Once the first mixture reaches the firm ball stage, pour it in a thin stream over the stiffly beaten egg whites. Beat until the mixture begins to stiffen.

  2. Move the second saucepan to a hotter part of the stove and cook until it spins a long thread from the tip of a spoon.

  3. Pour the second mixture in a thin stream over the candy in the bowl. Add chopped nuts and vanilla, and continue to beat until the mixture turns almost white and is very thick.

Set and cut

  1. Pour into a large, well-buttered pan.

  2. Once cool, mark 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
Provides sweetness and forms the crystalline structure of the candy as it cooks.
Corn syrup
Interferes with sugar crystallization, keeping the fudge smooth rather than grainy.
Egg whites
Whipped into a stiff foam that gives the fudge its light, airy texture.
Vanilla extract
Adds aroma and a rounded flavor to the sweet candy.

The step that matters

Cooking the first syrup to the firm ball stage. Sugar syrup sets according to its final temperature. Stopping early leaves the candy soft and runny, while cooking too far makes it hard and grainy once beaten.

Swap the nuts

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

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

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