Fresh or frozen red-ripe cranberries should be washed and drained.

In a big pan, mix cranberries and water.

up to a boil.

Cook berries at a lower temperature until they burst.

Juice should be strained through a thin cheesecloth-lined strainer.

Juice can be sweetened to your preference.

Reheat the juice to almost boiling but not quite.

Place in jars.

Before cooling, give it some time.