Why it works: Molasses and sugar are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 9,225 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Molasses Candy
Ingredients
Directions
Cook the molasses
In a large pot, combine molasses, butter, and sugar. Boil until done.
Just before removing from heat, stir in baking soda.
Flavor and shape
Grate the rind of the orange and squeeze the juice, discarding the seeds.
Add the orange juice and tartaric acid to the mixture.
Stir in confectioners' sugar until the mixture is stiff enough to form small balls the size of marbles.
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.
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Molasses + sugartop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + orangetop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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Molasses + orangetop 20% of all pairsSmell alikelowCooked together493 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Butter + orangetop 23% of all pairsSmell alikemoderateCooked together7,301 recipes
Shared aroma: 3-hexenal (apple, fruity).
Sugar and orange barely smell alike, yet cooks put them together in 19,212 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
- Molasses
- Forms the dark body of the candy and provides its deep, sweet flavor.
- Butter
- Adds fat that makes the candy tender and rich rather than brittle.
- Sugar
- Adds sweetness and helps the mixture thicken as it cooks.
- Baking soda
- Reacts with the acid to release gas, creating foam that lightens the candy's texture.
- Tartaric acid
- Acidity that reacts with the baking soda to help lighten the candy.
The step that matters
Stirring in the baking soda just before removing from heat. Baking soda reacts with acid to release carbon dioxide, so the mixture foams up sharply. Adding it at the right moment, just before the pot leaves the heat, traps gas for a light texture and keeps the foam from overflowing the pot.
Swap the orange
How well each one fits the dish's main ingredients (molasses, butter, sugar):
- Vanillafits better
- Raisinfits better
- Figfits better
- Orangethe original
Fit is the average pairing score against molasses, butter, sugar. 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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