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 ↓
Banana Ice Cream
Ingredients
Directions
Make the custard
Heat the milk until it is scalding.
In a bowl, beat the eggs and sugar together.
Gradually pour the hot milk over the egg mixture, stirring constantly.
Place the mixture over low heat in a double boiler and stir until thickened.
Allow the mixture to cool.
Mix in the cream.
Churn and freeze
Pour the mixture into an ice cream churn.
When it is half frozen, add the chopped bananas and freeze until firm.
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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Milk + bananatop 11% of all pairsSmell alikemoderateCooked together1,470 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Milk + creamtop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Milk and sugar 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
- Eggs
- Egg proteins thicken the custard as they gently heat, giving the ice cream a smooth, rich body.
- Sugar
- Sweetens the base and lowers the freezing point, keeping the ice cream softer and scoopable.
- Milk
- Provides the liquid base and milk solids that give the custard its creamy structure.
- Rich sweet cream
- Adds butterfat for a richer flavor and a smoother, creamier texture.
- Bananas
- Add natural sweetness, flavor, and body once folded into the partly frozen base.
The step that matters
Thickening the custard over low heat. If the egg mixture gets too hot, the proteins curdle and turn grainy. Stirring constantly over gentle heat keeps the custard smooth and properly thickened.
Swap the banana
How well each one fits the dish's main ingredients (milk, cream, sugar, egg):
- Vanillafits better
- Strawberryfits better
- Raspberryfits about as well
- Bananathe original
Fit is the average pairing score against milk, cream, sugar, egg. Candidates are from the same food group and used in at least 100 recipes.
“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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