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Dessert

Molasses Candy

Molasses candy is a sweet made by boiling molasses and sugar, then adding butter, cream of tartar, baking soda, and optional nuts.

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 syrup

  1. Combine molasses and sugar in a pot and boil, stirring every minute.

  2. When it starts to thicken, add the butter.

  3. To test if it's done, drop a bit into cold water; if it hardens, it's ready.

Finish and set

  1. Add the cream of tartar and baking soda just before pouring it out.

  2. Optionally, mix in nuts before setting the candy.

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

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Molasses
Provides the main body, dark color, and rich flavor of the candy.
Sugar
Adds sweetness and, as it concentrates, sets the candy firm when it cools.
Butter
Adds fat that softens the texture and gives a smoother bite.
Cream of tartar
Adds acidity that helps keep the sugar smooth and prevents grainy crystals.
Baking soda
Reacts with the acid to release gas, lightening the candy's texture.

The step that matters

Testing doneness in cold water. As the syrup cooks, its sugar concentration rises and it hardens when cooled. Stopping too early leaves the candy soft and sticky, while cooking too long makes it brittle, so the cold-water test is what tells you when to pour.

Swap the walnut

The recipe marks walnut 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. Walnutthe 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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