Why it works: Black currant and red currant share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and cooks put them together in 72 recipes. Both carry isoamyl acetate, which smells banana, pear. The science ↓
Black-currant Jelly
Ingredients
Directions
Prepare the juice
Pick each black currant individually.
Heat the currants in a jar set in boiling water.
Squeeze the currants to extract juice.
Use 1 pint of juice for every pound of sugar.
Add a little water or red currant juice if desired.
Cook the jelly
Boil for 30 minutes, removing any foam that forms.
Clarify the sugar.
Add whole fruit.
Boil for 20 minutes.
Strain the mixture.
Boil for a few more minutes.
Jar
Pour into jars and seal with paper when cool.
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.
-
Black currant + red curranttop 1% of all pairsSmell alikestrongCooked together72 recipes
Shared aroma: isoamyl acetate (banana, pear).
-
Black currant + sugartop 22% of all pairsSmell alikelowCooked together393 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
-
Sugar + red curranttop 26% of all pairsSmell alikelowCooked together1,156 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Black currants
- Provide the fruit flavor and the natural pectin and acid that help the jelly set.
- Sugar
- Adds sweetness and, with boiling, helps the juice thicken into a jelly that holds its shape.
The step that matters
Boil for 30 minutes, removing any foam that forms. Boiling concentrates the juice and sugar until the mixture reaches the point where it sets as a jelly. Skimming foam keeps the jelly clear and free of off-flavors.
Swap the red currant
The recipe marks red currant as optional. How well each one fits the dish's main ingredients (black currant, sugar):
- Vanillafits better
- Red currantthe original
- Blueberryfits less well
- Raspberryfits less well
Fit is the average pairing score against black currant, 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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