Swiss Chard Relish

2 lbs (4 cups) swiss chard stalks only
1 lb (2 cups) onions
1 lb (2 cups) celery
1/2 lb (1 cup) red peppers
2 cups vinegar
2 cups sugar
1 tsp dry mustard
1/2 tsp turmeric
1/2 tsp curry powder
1/4 cup corn starch
1/4 cup salt

Finely chop vegetables, mix together and set aside. Bring to a boil vinegar, sugar, mustard, turmeric and curry powder. Remove ¾ cup of liquid and mix with cornstarch. Set aside. Add salt & vegetables to remaining liquid and simmer until tender stirring often. Add corn starch mixture and stir continually until thick.
Place in prepared jars and seal.