Step 1

Soak the cucumbers and scrub them well. If they are large, remove the seeds.

Step 2

Chop the cucumbers and add them with the chopped onions and peppers in a large bowl.

Step 3

Sprinkle the mixture with pickling salt and stir well to distribute the salt.

Step 4

Add enough cold water to cover the vegetables.

Step 5

Cover and allow to sit for 2 hours or overnight.

Step 6

Transfer the vegetables to a colander and drain well.

Step 7

Place the mixture in a large pot, add the granulated sugar and vinegar.

Step 8

Heat until boiling so that the sugar will dissolve.

Step 9

Add the mustard seeds, celery seeds and turmeric.

Step 10

Bring to a boil, then reduce the heat and simmer for 20 minutes, stirring now and then.

Step 11

Place the relish into hot, sterilized canning jars, leaving 1/2 inch at the top.

Step 12

Seal and process the filled jars in a boiling water canner for 10 minutes.

Step 13

Remove the jars and allow to cool overnight.