Blackberry Jelly - cooking recipe

Ingredients

5 c. washed blackberries
5 c. sugar
water (enough necessary to cover berries)
Sure-Jell

Preparation

Put berries in a pan; cover with water.
Bring to a boil. Mash berries and strain through cheesecloth.
Use 3 1/2 cups of juice to 1 package of Sure-Jell.
Bring to rapid boil.
Add 5 cups sugar and bring to boil.
Cook 1 minute; stir constantly.
Pour into jelly glasses and seal.