Why it works: Sugar and molasses 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 syrup
Dissolve sugar in vinegar in a saucepan.
Mix in molasses and boil until it hardens when dropped into cold water.
Add the butter and soda
Stir in butter and baking soda dissolved in hot water.
Give a final hard stir and pour into buttered dishes.
Pull and finish
Pull the candy until white using only the tips of your fingers.
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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Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Vinegar + buttertop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Vinegar + molassestop 26% of all pairsSmell alikelowCooked together1,253 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sugar
- Provides most of the sweetness and, as it concentrates, the firm set of the candy.
- Molasses
- Adds deep flavor, dark color and sweetness, and gives the candy its chewy body.
- Vinegar
- Its acid partly breaks down sugar, which keeps the candy smoother and less grainy.
- Baking soda
- Reacts with the acid to release gas, making the candy lighter and more porous, and paler in color.
- Butter
- Adds fat that softens the texture and reduces stickiness.
The step that matters
Boiling until it hardens in cold water. Sugar concentration sets the final texture. Boiling too briefly leaves the candy soft and sticky, while boiling too long makes it brittle. The cold-water test shows when the syrup has reached the right concentration.
“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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