How do I? ...Make Jam & Jelly

Making Jams and Jellies

Uncooked Berry Jam
with powdered pectin

  • 2 cups crushed strawberries or blackberries (about 1 quart berries)
  • 4 cups sugar
  • 1 package powdered pectin
  • 1 cup water

Yield: About 5 or 6 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 and prepare two-piece canning lids according to manufacturer's directions.

To prepare fruit. Sort and wash fully ripe berries. Drain. Remove caps and stem; crush berries.

To make jam. Place prepared berries in a large mixing bowl. Add sugar, mix well, and let stand for 20 minutes, stirring occasionally. Dissolve pectin in water and boil for 1 minute. Add pectin solution to berry-and-sugar mixture; stir for 2 minutes.

Pour jam into freezer containers or canning jars, leaving ½ inch headspace at the top. Close covers on containers and let stand at room temperature for 24 hours.

To store. Store uncooked jams in refrigerator or freezer. They can be held up to 3 weeks in the refrigerator or up to a year in a freezer. Once a container is opened, jam should be stored in the refrigerator and used within a few days. If kept at room temperature they will mold or ferment in a short time.

This document was adapted from "How to Make Jellies, Jams and Preserves at Home." Home and Garden Bulletin No. 56. Extension Service, United States Department of Agriculture. 1982 reprint. National Center for Home Food Preservation, June 2005.

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