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 Ice Cream
Ingredients
Directions
Make the custard
Mix sugar, flour, and salt in a bowl.
Add the slightly beaten eggs and gradually pour in the milk.
Cook the mixture over hot water for 20 minutes, stirring constantly at first.
Make the chocolate base
Melt the chocolate in a granite saucepan over hot water.
Add sugar and boiling water to the melted chocolate.
Combine the chocolate mixture with the hot custard.
Finish and freeze
Cool the mixture, then add the cream and vanilla extract.
Strain the mixture and proceed to freeze.
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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Chocolate + vanillatop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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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 + creamtop 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).
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
- Eggs
- Thicken the custard as they cook, giving the ice cream a rich, smooth body.
- Sugar
- Adds sweetness and softens the texture of the frozen ice cream.
- Milk
- Forms the liquid base of the custard, carrying the other ingredients.
- Light cream
- Adds fat, which makes the ice cream creamy and smooth on the palate.
- Chocolate or cocoa
- Provides the chocolate flavor and color of the ice cream.
- Flour
- Stabilizes the custard against curdling and helps it thicken evenly.
The step that matters
Cook the custard gently over hot water. Stirring constantly at first keeps the egg proteins from overheating and curdling into lumps. Gentle heat thickens the custard smoothly, and the texture of the finished ice cream depends on it.
“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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