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To Can Red Raspberries

This recipe describes how to can red raspberries with currants and sugar into jars.

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

To Can Red Raspberries

Ingredients

Directions

Prepare the fruit and juice

  1. Pick over the raspberries and place them uncooked in jars, filling them nearly full.

  2. Heat the currants and mash them to extract the juice, similar to making jelly.

  3. Strain the juice.

  4. Stir the sugar into the juice.

  5. Pour the mixture into the jars, filling them within an inch of the top.

  6. Place the jar tops on without the rubber seals.

Process and seal

  1. Lay thin strips of peach basket or small pieces of shingle in the bottom of a wash boiler.

  2. Stand the jars on these strips; 15 or 16 quart jars will fit in a standard boiler.

  3. Add enough cold water to the boiler to reach the shoulder of the jars and bring to a boil.

  4. Boil for 20 minutes.

  5. Lay a cloth wet with hot water in the sink.

  6. Lift three or four jars and place them on the cloth.

  7. Remove the covers and add the rubber seals.

  8. Pour enough hot currant juice into each jar to overflow.

  9. Seal quickly.

  10. Invert the jar to check for leaks.

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

Red raspberries
Provides the main fruit flavor and body of the finished preserve.
Currants
Their juice adds natural pectin and tartness to help the fruit set and taste bright.
Sugar
Sweetens the juice and helps preserve the fruit by binding water.

The step that matters

Sealing quickly after overflowing the jars. Hot juice filled to the brim must be sealed before it cools, because cooling creates a vacuum that pulls air in and lets the seal form properly. Slow sealing can leave the jar under-sealed and prone to spoilage.

“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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