Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Chocolate Fudge
Ingredients
Directions
Make the syrup
Combine sugar, chocolate, butter, milk, water, and salt in a saucepan.
Stir until melted.
Boil while stirring occasionally until the syrup forms a soft ball in cold water.
Remove from heat and add vanilla.
Shape the fudge
Let the pan cool until you can touch the bottom of the mixture.
Beat the mixture until stiff and crumbly.
Transfer to a board.
Knead until smooth.
Form into a long roll.
Cut into pieces like oval caramels.
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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Milk + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Chocolate + vanillatop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Granulated sugar
- Dissolves into the liquid and forms the sugar structure that sets the fudge as it cools.
- Baker's chocolate
- Provides the chocolate flavor and fat that give the fudge its richness.
- Butter
- Adds fat for a smoother, richer texture in the finished fudge.
- Milk
- Adds moisture and milk solids that contribute to a creamy texture and flavor.
The step that matters
Let the pan cool before beating. Beating while the syrup is still hot makes large sugar crystals form, so the fudge turns grainy. Cooling until the pan bottom can be touched lets the syrup thicken so it sets smooth when beaten.
“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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