Blackberry Jam - cooking recipe

Ingredients

4 c. sugar
2 c. blackberries, crushed
1/2 c. water

Preparation

Put 2 cups sugar in saucepan, add enough water to moisten sugar.
Put berries in pan.
Boil 10 minutes.
Add 2 more cups sugar and boil 20 to 30 minutes.
Pour in jars and seal.