Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Currant Custard
Ingredients
Directions
Prepare the juice
Boil the currant juice and sugar for 3 minutes.
Remove the scum from the surface.
Make the custard
Pour the boiling juice over the beaten eggs.
Thicken the mixture in a jug set in a pan of water.
Stir until nearly cold, then gradually add the cream.
Finally, stir in the lemon juice.
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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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Currant + lemontop 20% of all pairsSmell alikelowCooked together4,270 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
- Set and thicken the custard as they cook gently, giving it body.
- Cream
- Adds richness and a smooth, soft texture to the custard.
- Sugar
- Sweetens the juice and balances its tartness.
- Currant juice
- Provides the main flavour and colour of the custard.
- Lemon juice
- Adds brightness and acidity that lifts the sweetness.
The step that matters
Pour the boiling juice over the beaten eggs. Eggs thicken with gentle heat, but adding boiling liquid too fast can scramble them. Pour slowly while whisking so the eggs warm evenly and stay smooth.
Swap the currant
How well each one fits the dish's main ingredients (sugar, egg, cream, lemon):
- Vanillafits better
- Raspberryfits better
- Orangefits better
- Currantthe original
Fit is the average pairing score against sugar, egg, cream, lemon. 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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