Why it works: Sugar and red currant are a kitchen classic. They rank in the top 26% of all ingredient pairs, and cooks put them together in 1,156 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
To Can Raspberries
Ingredients
Directions
Combine the red currants and red raspberries in a pot.
Add the granulated sugar to the fruit.
Boil the mixture for about 10 minutes until the color changes.
Bottle the mixture and seal it.
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 + 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
- Red raspberries
- Provide most of the bulk, flavor and color of the preserve.
- Granulated sugar
- Adds sweetness, helps preserve the fruit and helps the mixture thicken as it cooks.
- Red currants
- Add tartness and natural pectin, which helps the preserve set.
The step that matters
Boil the mixture for about 10 minutes until the color changes.. Boiling drives off water and concentrates the sugar and fruit solids, so the mixture thickens and keeps well. Stopping too early leaves it runny and more prone to spoilage, while boiling too long can dull the flavor and color.
“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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