Combine vinegar, water, salt, sugar and mustard seed. Bring mixture to a rolling boil.

Place a canning funnel into jar. Fill to within 1/2 inch of jar top with boiling vinegar mixture. Adjust caps.

Process in a boiling water bath canner for 10 minutes. Remove to a draft free place to cool using a jar lifter.

Yields about 8 pints.

Submitted by: CM