Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Maple Fudge
Ingredients
Directions
Prepare the sugar
Crush the maple sugar finely with a rolling pin.
Pour the hot milk over the crushed sugar and add the baking soda.
Cook the fudge
Melt the sugar slowly over low heat.
Bring the mixture to a fast boil.
Once it boils to the thread stage, stir in the butter.
When it reaches the boiling point again, pour into buttered pans.
Finish
Cut the fudge into squares as it hardens.
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 + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + milktop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and milk barely smell alike, yet cooks put them together in 77,875 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
- Maple sugar
- Provides the sweetness and, as it cools, forms the crystals that give fudge its texture.
- Hot milk
- Dissolves the sugar and adds moisture, making the fudge creamy rather than brittle.
- Butter
- Adds fat that makes the finished fudge smoother and richer in texture.
The step that matters
Cooking to the thread stage. As water evaporates, the sugar concentration rises. Stopping at the right point controls whether the fudge sets firm and creamy or stays soft or turns grainy.
“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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