Why it works: Cream and butter 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 ↓
Chocolate Fudge
Ingredients
Directions
Cook the fudge
In a saucepan, combine sugar, cream, chocolate (or cocoa), butter, and salt.
Stir over medium heat until melted, but do not let it boil.
Cook until it reaches the soft-ball stage when tested in cold water.
Cool and shape
Remove from heat and let cool slightly.
Stir until thick and creamy, then pour into a pan.
Once cold, cut into squares.
If desired, add chopped nuts just before removing from heat.
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.
Photo for illustrative purposes only · Contact us to use it
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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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Chocolate + nutstop 10% of all pairsSmell alikemoderateCooked together440 recipes
Shared aroma: furaneol (caramel, strawberry).
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Cream + chocolatetop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Sugar + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 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
- Sugar
- Provides sweetness and the crystal structure that makes the fudge set firm.
- Cream
- Adds fat and moisture, giving a smoother, softer texture.
- Chocolate
- Supplies the main chocolate flavour and cocoa solids that colour the fudge.
- Butter
- Adds richness and fat that keeps the fudge smooth and tender.
The step that matters
Cooking to the soft-ball stage. Sugar concentration rises as water boils off, so the final temperature sets the firmness. Stopping early gives a runny fudge, while overcooking makes it hard and grainy once cooled.
Swap the nuts
The recipe marks nuts as optional. How well each one fits the dish's main ingredients (sugar, cream, chocolate, butter):
- Almondfits better
- Filbertfits better
- Hazelnutfits better
- Nutsthe original
Fit is the average pairing score against sugar, cream, chocolate, butter. 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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