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 in a saucepan.
In a separate bowl, mix ½ cup cold milk with 2 ounces of grated chocolate.
Add some of the boiling milk to the chocolate mixture.
Pour the mixture back into the saucepan, stirring constantly.
When heated through and just coming to a boil, add 6 beaten egg yolks and 1 cup of sugar.
Continue to cook until the mixture thickens.
Prepare the topping and serve
Beat the egg whites until stiff peaks form.
Fold the vanilla extract into the beaten egg whites.
Reserve some egg whites for frosting if desired.
Pour the custard into serving cups and let cool.
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 set with heat, giving it a rich, smooth body.
- Milk
- Forms the liquid base of the custard, carrying the chocolate and sugar.
- Grated sweet chocolate
- Provides the chocolate flavor and color throughout the custard.
- Sugar
- Sweetens the custard and balances the bitterness of the chocolate.
- Egg whites
- Whipped to stiff peaks to create a light, airy foam for the topping.
The step that matters
Adding the egg yolks to the hot milk. If the yolks are added too hot or cooked too fast, their proteins can scramble and make the custard grainy. Cook gently and stir constantly until it thickens, without letting it boil hard.
“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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