Why it works: Cream and sugar are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Chocolate Ice Cream
Ingredients
Directions
Make the custard
Heat the milk almost to boiling.
Gradually pour the hot milk into the beaten eggs and sugar, stirring constantly.
Stir in the chocolate and beat well for 3 minutes.
Return the mixture to a double boiler and heat until it thickens, stirring constantly.
Remove from heat and let cool.
Finish and freeze
Once cool, beat in the cream.
Freeze as usual.
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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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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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).
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Milk + chocolatetop 13% of all pairsSmell alikemoderateCooked together9,128 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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Cream + milktop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Thicken the custard base as they heat and give the ice cream a rich, smooth body.
- Cream
- Adds fat that keeps the frozen ice cream smooth and creamy rather than icy.
- Whole milk
- Forms the liquid base of the custard, carrying the sugar and chocolate.
- Sugar
- Sweetens the base and lowers the freezing point, keeping the texture softer when frozen.
- Baker's chocolate
- Provides the chocolate flavour and some fat that adds richness to the base.
The step that matters
Heating the custard in the double boiler. Egg proteins thicken gently as they warm, but overheating can make them curdle and turn grainy. Stirring constantly and keeping the water below a hard boil helps the custard thicken smoothly.
“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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