How to make concord grape jelly?

Sort and wash grapes, and remove stems. Place them into a large kettle and crush them. Add water, cover, and bring to a boil over high heat. Reduce heat to low, and simmer for 10 minutes. Remove from heat, and extract juice. Allow the juice to stand in a cool place overnight to prevent the formation of crystals in the jelly. read more

Rated 4 out of 5 by Margaretmck from Grape jelly I used the juice from grapes grown in my back yard, modified to 5 c sugar, 1 pkg dry certo powder. It turned out great. It made about 6 pints plus a bit. read more