Blackberry Jam - cooking recipe

Ingredients

5 c. washed blackberries
5 c. sugar
water
Sure-Jell

Preparation

Put berries in a pan and cover with water.
Bring to a boil. Mash berries and strain thorough cheesecloth.
Use 3 1/2 cups juice to 1 package of Sure-Jell.
Bring to a rapid boil; add sugar and bring to a boil.
Cook 1 minute, stirring constantly.
Pour into jelly glasses and seal.