Why it works: Sugar and cream 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 base
Heat the milk until very hot, then sweeten it with sugar.
Beat the egg yolks in a bowl, then stir them into the hot milk.
Place the mixture in a jug over boiling water and stir until the eggs set, but do not let it boil.
Make the chocolate
Cut the chocolate into small pieces and boil the water.
Add the chocolate to the boiling water and stir until melted.
Return the chocolate to gentle heat until it boils, then pour it into a basin.
Mix a spoonful or two of chocolate into fresh milk, boil with sugar, and froth it.
Finish and freeze
Strain the mixture through a fine sieve and stir in the thick cream.
Freeze and mold as you would with other ice creams.
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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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Chocolate + creamtop 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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Milk + creamtop 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
- Milk
- Provides the liquid base that carries sugar and chocolate flavour through the ice cream.
- Egg yolks
- Cooked gently into the custard, they thicken the base and give it a smooth, rich texture.
- Sugar
- Sweetens the base and softens the frozen texture of the finished ice cream.
- Strong chocolate
- Supplies the main chocolate flavour and some fat that adds richness to the base.
- Thick cream
- Adds fat and richness, making the frozen ice cream smoother and creamier.
The step that matters
Setting the eggs without boiling. Egg yolks thicken as they heat, but if the custard boils they can scramble and turn grainy. Stirring over gentle heat until it coats the spoon keeps it smooth.
“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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