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Dessert

Preserved Raspberries

A preserve made by layering raspberries with sugar, adding currant juice, boiling, and jarred.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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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 ↓

Preserved Raspberries

Ingredients

Directions

Macerate

  1. Weigh the raspberries and sugar, using equal amounts.

  2. Layer raspberries and sugar in a preserving pan, starting and ending with sugar.

  3. Let the mixture sit overnight.

Make the preserve

  1. In the morning, bruise and strain the red currants to extract juice.

  2. Add 1 cup of currant juice to the raspberries and sugar in the pan.

  3. Heat the mixture on the stove, stirring gently until it boils.

  4. Skim off any scum that rises and stir to prevent sticking.

  5. Boil until the mixture is clear, then let it cool slightly.

  6. Transfer the raspberries into jars, cover, and store in a cool, dark place.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Sugar + red curranttop 26% of all pairs
    Smell alikelow
    Cooked 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

Raspberries
Provide the fruit body and flavor that the sugar preserves and the heat sets into a spread.
Sugar
Draws water out of the fruit and preserves it, while helping the mixture thicken as it boils.
Red currant juice
Adds natural pectin and acidity, helping the preserve set and balancing the sweetness.

The step that matters

Boiling until the mixture is clear. Boiling must be continued long enough to concentrate the sugar and fruit pectin so the preserve sets when cool. Stopping too early leaves it runny and more prone to spoiling.

“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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