Blackberry Nectar - cooking recipe

Ingredients

2 quarts blackberries, washed and drained
1 quart water
2 1/2 ounces tartaric
sugar, as needed

Preparation

Dissolve acid in water.
Pour over the berries.
Let this sit for 24 hours.
After 24 hours, strain the juice.
Add 3 cups of sugar for each pint of juice and mix well.
Bottle the juice.
To serve, add water to the nectar just like you would with any juice that needs to be diluted.