Why it works: Orange and sugar are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 19,212 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Orange Custard
Ingredients
Directions
Prepare the mixture
Separate the whites from the yolks of the eggs and set the yolks aside in a cool place.
Add the grated rind and juice of the oranges to the egg whites and beat well.
Add ½ pint of water to the mixture.
Let the mixture sit for 1 hour.
Beat the egg yolks.
Add the beaten yolks and 1 cup of sugar to the orange mixture.
Strain the mixture into a pitcher.
Cook the custard
Place the pitcher in a basin of boiling water.
Boil rapidly, stirring continuously, until the custard thickens to the consistency of heavy cream.
Cool and chill
Allow the custard to cool.
Pour the custard into glass cups and refrigerate until cold.
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.
Photo for illustrative purposes only · Contact us to use it
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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Orange + sugartop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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Egg + sugartop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Egg + orangetop 31% of all pairsSmell alikelowCooked together10,696 recipes
Shared aroma: 2,4-decadienal (seaweed).
Orange and sugar barely smell alike, yet cooks put them together in 19,212 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
- Proteins set as they heat, thickening the custard and giving it body.
- Oranges
- Grated rind adds aroma and the juice adds acidity that brightens the sweet custard.
- Sugar
- Adds sweetness and balances the tartness of the orange juice.
The step that matters
Thickening the custard. Egg proteins set as they heat, which thickens the custard. Boiling rapidly while stirring continuously spreads the heat evenly, so the eggs thicken smoothly instead of curdling or sticking to the bottom of the pitcher.
Swap the orange
How well each one fits the dish's main ingredients (egg, sugar):
- Vanillafits better
- Raisinfits better
- Lemonfits better
- Orangethe original
Fit is the average pairing score against egg, sugar. 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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