Blackberry Jam - cooking recipe

Ingredients

4 1/2 c. berries
1 bottle fruit pectin
7 c. sugar
1 lemon

Preparation

Wash fruit thoroughly and crush.
Add lemon juice.
Add grated rind of 1/2 lemon.
Add sugar and mix thoroughly.
Heat rapidly to full, rolling boil.
Stir constantly before and while boiling. Boil hard 2 minutes.
Remove from heat and stir in fruit pectin. Skim and place in jars for storage.