Why it works: Chocolate and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 10,020 recipes. Both carry sotolon, which smells curry, maple. The science ↓
Chocolate Pie
Ingredients
Directions
Make the filling
Combine grated chocolate and water in a saucepan.
Bring the mixture to a boil.
Whisk egg yolks, cornstarch, and sugar together in a bowl.
Add the whisked mixture to the chocolate and cook until thick.
Remove from heat and stir in vanilla.
Assemble and bake
Pre-bake the pie crust until lightly golden.
Pour the chocolate filling into the crust.
Beat egg whites with a little sugar until stiff peaks form.
Spread the meringue over the filling.
Bake until the meringue is golden brown.
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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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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Flour + vanillatop 12% of all pairsSmell alikemoderateCooked together19,241 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Chocolate + sugartop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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 filling and add richness and a smooth, custard-like texture.
- Cornstarch
- Thickens the chocolate mixture as it cooks, giving the filling body and a sliceable set.
- Grated chocolate
- Provides the main chocolate flavour and dark colour of the filling.
- Sugar
- Sweetens the filling and helps stabilise the egg white meringue.
- Egg whites
- Whipped into a foam that forms the meringue topping, which sets and browns in the oven.
The step that matters
Cooking the filling until thick. Cornstarch only thickens fully when the mixture reaches a boil and is stirred while cooking. Undercooked starch leaves a runny filling that will not set when cooled, and the egg yolks must be kept moving so they do not scramble.
“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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