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 ↓
Smith College Fudges
Ingredients
Directions
Cook the fudge
Combine sugar, molasses, milk, and butter in a saucepan.
Cook until it boils.
Add finely chopped chocolate and cook until it reaches a string consistency, stirring constantly.
Remove from heat and let it cool slightly.
Stir in vanilla.
Set and cut
Pour into a well-greased pan and cut into squares once set.
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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Milk + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Vanilla + chocolatetop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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Milk + buttertop 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 + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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
- Sugar
- Sweetness, and its crystallization gives fudge its structure as it cools.
- Butter
- Adds fat for a smooth, tender texture and rich flavor.
- Milk or cream
- Provides moisture and creaminess, dissolving the sugar into a smooth base.
- Molasses
- Adds moisture, deeper flavor, and color, and softens the crystal structure.
- Chocolate
- Contributes chocolate flavor and extra fat for a richer, smoother texture.
The step that matters
Cooking to string consistency. The sugar concentration at this point sets the fudge's firmness. Stopping too early leaves it soft and runny, while cooking too long makes it hard and grainy as sugar recrystallizes.
“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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