Why it works: Sugar and egg are a kitchen classic. They rank in the top 21% of all ingredient pairs, and cooks put them together in 122,807 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Quince Custard
Ingredients
Directions
Prepare the quince juice
Peel the quinces.
Simmer the peeled quinces in just enough water to cover until tender.
Strain the juice through a jelly bag.
Boil the juice with the sugar until dissolved.
Make the custard
Gradually mix the hot juice with the beaten egg yolks.
Pour the mixture into a heated jug.
Place the heated jug in a saucepan of hot water.
Stir over low heat until the custard thickens.
Pour into glasses and serve.
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.
-
Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Quince + sugartop 21% of all pairsSmell alikemoderateCooked together1,444 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
-
Quince + eggtop 33% of all pairsSmell alikelowCooked together222 recipes
Shared aroma: 2-heptenal (green).
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 and give it a rich, smooth body.
- Quinces
- Provide the fruity flavour and pectin-rich juice that gives the custard its base.
- Loaf sugar
- Sweetens the juice and balances the natural tartness of the quince.
The step that matters
Stir over low heat until the custard thickens. Egg yolks thicken through gentle heat; if the heat is too high or the custard is left unstirred, the proteins can curdle and turn grainy instead of smooth.
Swap the quince
How well each one fits the dish's main ingredients (sugar, egg):
- Vanillafits better
- Raisinfits better
- Lemonfits better
- Quincethe original
Fit is the average pairing score against sugar, egg. 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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