String Beans, Preserved in Cans
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare and pack
Prepare the beans as in recipe No. 157.
Arrange the dried beans in layers in tin cans.
Cover and seal
Boil lightly salted water.
Let the water cool.
Cover the beans with the cooled water.
Seal the cans.
Process
Boil the sealed cans in a hot water bath at 400°F (200°C) for 1 hour and 15 minutes.
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
What each ingredient does
- String beans
- The main vegetable, providing the bulk and firm-tender texture of the finished canned beans.
- Water
- Fills the cans around the beans, carrying the salt and conducting heat during the long process.
The step that matters
Boil the sealed cans in a hot water bath. The sealed cans must be heated long enough for the heat to reach the beans throughout. This long heat treatment kills microorganisms and softens the beans, so a shorter or cooler process can leave a spoilage risk.
“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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