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
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the juice
Place black currants on their stalks in a brown earthen pan or jar and cover them.
Bake in a 300°F (150°C) oven until soft.
Rub the baked currants through a matted sieve.
Then rub the mixture through a fine hair sieve to remove small seeds.
Make the jelly
For every pint of juice, add one pint of red currant juice.
Add one pound of broken lump sugar for each pint of mixed juice.
Boil and finish the jelly as you would red currant jelly.
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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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).
-
Red currant + sugartop 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 main flavour and the pectin-rich pulp that gives the jelly its body.
- Red currant juice
- Adds extra acidity and pectin, helping the jelly set firmly.
- Lump sugar
- Sweetens the jelly and, with the fruit's pectin and acid, helps it set.
The step that matters
Boiling the jelly. Jelly sets only when enough sugar, acid and pectin are concentrated together. Boiling too briefly leaves it runny, while boiling too long can darken and dull the flavour. Watch for the set rather than relying on time.
Swap the red currant
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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