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 ↓
Ices and Ice Cream
Ingredients
Directions
Make the custard
Boil 3 pints of milk in a double boiler.
Beat yolks and whites of eggs separately.
Mix yolks with the remaining pint of milk and stir into boiling milk. Boil for 2 minutes.
Remove from heat, add sugar, and let it dissolve.
Strain the mixture through a cloth while hot, then cool it.
Add cream and vanilla to the cooled mixture.
Freeze
Prepare ice by pounding it until small, about the size of a hickory nut.
Pack the ice and salt in layers around the freezer, using ¾ ice and ¼ salt.
Pour the custard into the freezer, filling it two-thirds full.
Cover and churn for 10 minutes. Pack down the ice and drain off water.
Repeat packing and churning until the cream is frozen and the beater won't turn.
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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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 + vanillatop 15% of all pairsSmell alikelowCooked together12,301 recipes
Shared aroma: 2-nonanone (fruity, floral).
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Milk + creamtop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (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
- Yolks thicken the custard and enrich its texture as they cook gently with the milk.
- Milk
- Forms the liquid base of the custard, providing body and milk flavour.
- Sugar
- Sweetens the custard and lowers its freezing point, keeping the ice cream softer.
- Cream
- Adds fat, which makes the frozen ice cream smooth and rich rather than icy.
- Vanilla
- Adds aroma and flavour to the finished ice cream.
The step that matters
Straining and cooling the custard before freezing. Straining while hot removes any cooked egg bits, and cooling the custard fully before churning keeps the freezer working efficiently and the texture smooth rather than grainy.
“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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