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 Cream Custard
Ingredients
Directions
Make the custard
Boil 1 quart of new milk.
Mix ½ cup cold milk with 2 ounces grated sweet chocolate.
Pour some boiling milk into the chocolate mixture.
Return the mixture to the pan of boiling milk, stirring constantly.
When heated through and just at boiling point, add 6 beaten egg yolks mixed with 1 cup powdered sugar, and blend well.
Fold in 3 beaten egg whites and a little extract of vanilla.
Finish
Reserve the other 3 egg whites for frosting.
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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Chocolate + sugartop 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).
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
- Egg yolks
- Thicken the custard as they heat and set, giving it a rich, smooth body.
- Milk
- Forms the liquid base of the custard, carrying the chocolate and setting with the eggs.
- Sweet chocolate
- Provides the chocolate flavour and colour that define the custard.
- Powdered sugar
- Sweetens the custard and dissolves smoothly into the warm base.
- Egg whites
- Beaten whites folded in add lightness and airy texture to the custard.
The step that matters
Heating the egg yolks. Egg yolks thicken the custard only as they gently heat and set. If the mixture is overheated or boils hard after the yolks go in, they can scramble and leave the custard grainy, so heat it just to the point of thickening.
“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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