Cooking and preparation time approximate. From the Mississippi Valley chapter of the United States Regional Cookbook, Culinary Arts Institute of Chicago, 1947.
Wash and pick over currants.
Heat in a large kettle with water until thoroughly heated through; mash with a potato masher and turn into a jelly bag to drip into container.
Measure resulting juice and add one pound of sugar to every pint of juice.
Boil about 20 minutes or until jelly reaches 220F on a candy thermometer (at sea level; reduce by two degrees for every 1000 feet in elevation).
Skim, pour into hot sterilized jelly glasses and seal in a boiling water bath for ten minutes.
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