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
Prepare
Mix the chocolate with 2 tablespoons of sugar and 1 tablespoon of boiling water until smooth.
Beat the eggs, 1 cup of sugar, and flour together in a bowl.
Melt the chocolate mixture over low heat until fully melted.
Make the custard
Stir the egg mixture into the boiling milk and cook for 20 minutes, stirring often.
Gradually add the melted chocolate, the remaining cup of sugar, and the quart of cream to the milk mixture.
Mix thoroughly and freeze until 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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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).
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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 + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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 milk mixture as they cook, giving the ice cream a smooth, rich body.
- Flour
- Helps stabilise the egg mixture so it thickens without curdling during cooking.
- Cream
- Adds fat for a rich, smooth texture and a softer, creamier freeze.
- Sugar
- Adds sweetness and lowers the freezing point, keeping the ice cream softer.
- Chocolate
- Provides the main flavour and deep colour of the ice cream.
The step that matters
Stir the egg mixture into the boiling milk. Adding eggs to very hot liquid can scramble them. Stir steadily and cook gently while the mixture thickens, so the custard stays 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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