Blackberry Jam

Directions

1. 1
   Wash, rinse, drain and thoroughly crush and measure berries into kettle.
2. 2
   Add the rest of the ingredients.
3. 3
   Put kettle over low heat and stir mixture until sugar dissolves; then boil rapidly to or almost to jellying point or until jelly rounds up slightly in spoon.
4. 4
   Remove from heat; quickly skim off foam and pour hot jam into sterilized jars and seal while hot.
5. 5
   Makes 4 to 5 half pints.