Berry Jams
without added pectin
(includes Blackberry, Blueberry, Boysenberry, Dewberry, Gooseberry, Loganberry, Raspberry, Youngberry)
- 9 cups crushed berries
- 6 cups sugar
Yield: About 7 or 8 half-pint jars
Please read Using Boiling Water Canners before beginning. If this is your first time canning, it is recommended that you read Principles of Home Canning.
Procedure: Sterilize canning jars. Wash berries before crushing. Combine berries and sugar. Bring slowly to a boil, stirring occasionally until sugar dissolves. Once sugar is dissolved, cook rapidly to , or almost to, the jellying point, depending upon whether a firm or soft jam is desired. As mixture thickens, stir frequently to prevent sticking. Remove from heat and fill hot jam into hot, sterile jars, leaving ¼-inch headspace. Wipe rims of jars with a dampened clean paper towel; adjust two-piece metal canning lids. Process in a Boiling Water Canner.
NOTE: If seedless jam is preferred, crushed berries may be heated until soft and pressed through a sieve or food mill; then add sugar and proceed as above.
This document was adapted from “So Easy to Preserve”, 5th ed. 2006. Bulletin 989, Cooperative Extension Service, The University of Georgia, Athens. Revised by Elizabeth L. Andress. Ph.D. and Judy A. Harrison, Ph.D., Extension Foods Specialists.
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