Grandma Clark's Cranberry Jelly

Grrrrrgh!
Course : Jelly
From: HungryMonster.com
Serves: 12
 

Ingredients:

4 cups cranberries -- fresh or frozen
1 cup water
2 cups sugar
 

Preparation:

Cook berries in water until mushy and put through sieve. Add sugar and boil 15 minutes until it jells. Bottle.