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Dessert

Molasses Candy

Molasses candy is a sweet treat made by boiling molasses and sugar with butter, baking soda, and cream of tartar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Molasses Candy

Ingredients

Directions

Cook the candy

  1. Combine molasses, sugar, and butter in a saucepan.

  2. Stir while boiling until it reaches a hard ball stage in cold water.

  3. Add cream of tartar and stir until combined.

  4. Just before removing from heat, add baking soda and mix well.

  5. Optionally add nuts before pouring.

Set

  1. Pour into a greased surface and let cool.

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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

  3. Molasses + sugartop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: guaiacol (smoky, sweet).

  5. Cream + nutstop 19% of all pairs
    Smell alikelow
    Cooked together886 recipes

    Shared aroma: 2-nonanone (fruity, floral).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Molasses
Provides the dark color, deep flavor, and sweetness that define the candy.
Sugar
Forms the sugar structure that sets into a hard, brittle candy as it cooks.
Cream of tartar
Acidifies the syrup, helping prevent crystallization and keeping the candy smooth.
Baking soda
Reacts with the hot syrup to release gas, creating a light, airy, brittle texture.

The step that matters

Adding the baking soda. Baking soda must be added just before removing the pan from heat and mixed quickly. It releases gas almost instantly, so waiting lets the foam collapse and the candy turn dense instead of airy.

Swap the nuts

The recipe marks nuts as optional. How well each one fits the dish's main ingredients (molasses, sugar, butter, cream):

  1. Almondfits better
  2. Pecansfits about as well
  3. Chestnutfits about as well
  4. Nutsthe original

Fit is the average pairing score against molasses, sugar, butter, cream. 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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