Why it works: Red currant and lemon work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 309 recipes. Both carry alpha-pinene, which smells pine, turpentine. The science ↓
Currant Jelly
Ingredients
Directions
Make the jelly
Heat ½ cup of smooth clarified sugar in a sugar pan until it boils.
Add 1 quart of picked red currants and boil for 30 minutes, skimming frequently.
Add a little cold water as needed to raise the scum.
Strain the mixture through a sieve into a basin with the juice of 3 lemons.
Set and chill
Stir in the isinglass and pour the jelly into a mold.
Chill the mold in ice until set.
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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Red currant + lemontop 12% of all pairsSmell alikemoderateCooked together309 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + red curranttop 26% of all pairsSmell alikelowCooked together1,156 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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
- Red currants
- Provide the main fruit flavour and the pectin-rich body that helps the jelly set.
- Clarified sugar
- Adds sweetness and, when boiled, helps the jelly thicken and keep its shape.
- Isinglass
- A gelatin-like agent that sets the liquid into a firm, sliceable jelly as it cools.
- Lemons
- Add acidity that brightens the flavour and supports gel formation.
The step that matters
Skimming during the 30-minute boil. Foam and scum rise to the surface as the currants cook. Removing them keeps the jelly clear and clean-tasting, and the boil must be steady so the mixture reduces enough to set.
Swap the red currant
How well each one fits the dish's main ingredients (sugar, lemon):
- Orangefits better
- Limefits better
- Vanillafits better
- Red currantthe original
Fit is the average pairing score against sugar, 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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