Cucumber Relish -- Big Batch - cooking recipe

Ingredients

4 quarts pickling cucumbers
2 lbs onions
1 bunch celery
6 cups white vinegar
6 cups sugar
1 teaspoon turmeric
2 teaspoons celery seeds
2 sweet red peppers, chopped
1 green pepper, chopped
1 cup flour

Preparation

Put cleaned and trimmed cucumbers, onions and celery through a grinder or food processor.
Sprinkle with kosher salt and let stand overnight.
Next day drain well. (I squeeze out the extra liquid using a tea towel.)
Combine ground vegetables with 5 cups of the vinegar, sugar, turmeric, celery seed, red and green peppers.
In a large pot bring mixture to the boil for 20 minutes.
Mix flour with remaining 1 cup vinegar and add this mixture to the pot.
Boil for a few minutes constantly mixing until thickened.
Put up relish in sterile jars and seal as per jar instructions.