Grape Juice - cooking recipe

Ingredients

4 c. blue grapes
8 c. water

Preparation

Boil grapes and water hard.
Don't mash. Cool and then strain.
For 1/2 gallon juice add 1 cup sugar.
Heat juice and sugar and cool.
Then put in jars.
Process in pan of water in oven on warm or on top of stove for 15 to 20 minutes.