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Dessert

Cracker Jack

A caramelized sugar and molasses mixture with nuts, boiled to a brittle stage.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 ↓

Cracker Jack

Ingredients

Directions

Make the syrup

  1. In a large pot, combine molasses, brown sugar, corn syrup, and boiling water.

  2. Boil the mixture until it reaches a brittle stage.

  3. Dissolve baking soda in vanilla and stir it into the boiling mixture.

  4. Allow the mixture to rise to the top of the kettle.

Coat and cool

  1. Before pouring on the syrup, sprinkle nuts over the corn.

  2. Pour the syrup over prepared corn and let it cool as you would for Coney Island Crisp.

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. Molasses + syruptop 8% of all pairs
    Smell alikemoderate
    Cooked together272 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

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

    Shared aroma: ethyl cinnamate (sweet, balsamic).

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

New orleans molasses
Adds deep flavor and a dark color to the coating.
Brown sugar
Provides sweetness and body, and helps the syrup harden as it cools.
Corn syrup
Keeps the sugar smooth and prevents it from crystallizing too readily.
Baking soda
Reacts with the hot syrup to create gas bubbles that lighten the brittle coating.
Nuts
Add crunch and a toasted, rich flavor to the finished snack.

The step that matters

Boil the mixture until it reaches a brittle stage. Sugar syrup must reach the hard-crack range to set crisp when cooled. Undercooked syrup stays sticky, while overcooked syrup can taste bitter or burn.

Swap the nuts

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

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

Fit is the average pairing score against molasses, sugar, corn, syrup, 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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