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Dessert

Jellies and Jams

A preserve made by boiling fruit with water and sugar until it sets into jelly or jam.

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 ↓

Jellies and Jams

Ingredients

Directions

Prepare the fruit

  1. In a porcelain kettle, combine the fruit with just enough water to prevent burning.

  2. Stir often and heat until the fruit is thoroughly scalded.

  3. Alternatively, place the fruit in a stone jar within a kettle of tepid water and boil until softened, stirring frequently.

  4. Cut larger fruits into pieces, remove defective cores, and add water to just cover them.

  5. Boil gently until tender, then drain for several hours or overnight.

Extract the juice

  1. Strain the juice through a strong, coarse flannel or cotton bag wrung out of hot water, letting it drain and squeezing as it cools.

Make and store the jam

  1. Use equal measures of juice and sugar.

  2. Boil the juice rapidly for ten minutes from the first moment of boiling.

  3. Pour the hot jelly into jars, cover with brandied tissue paper, and cool quickly in a dry, cool, dark place.

  4. Check the jelly towards the end of summer for signs of fermentation and reboil if necessary.

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

Fruit
Provides the bulk, pectin, and flavour that set the jelly once cooked and strained.
Refined or granulated sugar
Sweetens the juice and helps the cooked liquid thicken and set into a jelly.
Water
Softens the fruit and prevents it from scorching while it is first heated.

The step that matters

Boil the juice rapidly for ten minutes. Rapid boiling concentrates the juice and sugar so the mixture reaches the point where it sets. Boiling gently or too briefly leaves it runny and more prone to fermentation later.

“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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