Why it works: Blackberry and apple match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 110 recipes. Both carry 1-octen-3-one, which smells mushroom, metallic. The science ↓
Blackberry Jelly
Ingredients
Directions
Combine the blackberry juice and green apple juice in a large pot.
Add 1 pint of sugar for each pint of juice.
Boil the mixture until it jells.
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.
Photo for illustrative purposes only · Contact us to use it
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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Blackberry + appletop 6% of all pairsSmell alikestrongCooked together110 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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Blackberry + sugartop 21% of all pairsSmell alikelowCooked together1,033 recipes
Shared aroma: guaiacol (smoky, sweet).
Apple and sugar barely smell alike, yet cooks put them together in 16,478 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
- Blackberry juice
- Provides the main flavor and color of the jelly.
- Green apple juice
- Adds natural pectin and acidity to help the jelly set.
- Sugar
- Sweetens the jelly and helps it set firm when boiled.
The step that matters
Boiling until it jells. Jelly sets when enough pectin, acid and sugar are concentrated by boiling. Stopping too early leaves it runny, while boiling too long can make it stiff or cause the sugar to darken and taste scorched.
Swap the blackberry
How well each one fits the dish's main ingredients (apple, sugar):
- Pearfits better
- Vanillafits better
- Apricotfits better
- Blackberrythe original
Fit is the average pairing score against apple, 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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