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Dessert

Red Raspberry Jam

A jam made from raspberries, currant juice, and sugar.

From an old cookbook · modernised transcription
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Why it works: Currant and sugar are a kitchen classic. They rank in the top 26% of all ingredient pairs, and cooks put them together in 12,256 recipes. The science ↓

Red Raspberry Jam

Ingredients

Directions

  1. Combine raspberries and currant juice in a pot.

  2. Boil the mixture until it reduces slightly.

  3. Add 2 pounds of sugar, stirring constantly.

  4. Continue boiling until the jam thickens.

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. Currant + sugartop 26% of all pairs
    Smell alikelow
    Cooked together12,256 recipes

Currant and sugar barely smell alike, yet cooks put them together in 12,256 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

Raspberries
Provide the main fruit flavor, body and natural pectin-bearing pulp that gives the jam its structure.
Currant juice
Adds tart acidity and extra pectin to help the jam set and balance the sweetness.
Sugar
Sweetens the jam, helps it thicken as it cooks and acts as a preservative.

The step that matters

Continue boiling until the jam thickens. Sugar must be fully dissolved before a long, steady boil, and the jam must reach the gel point. Stopping too early leaves runny jam, while overcooking can make it stiff and dull in flavor.

“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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