Simple recipe.
1 cup grapes washed and stems removed.
1 cup sugar or honey two tablespoons
Fill quart jars with boiling water.
Process in a water bath canner for twenty to twenty five minutes. Cool and let rest for at least three weeks.
Enjoy.

The sugar seemed more dissolved when they first came out but then settled to the bottom of the jars. I remember doing this when I was a kid with Mom and Aunt Hazel’s grapes what came out was the best juice ever.
This gal on YouTube nailed it.