Squash Relish - cooking recipe

Ingredients

13 c. sliced yellow crookneck squash (1/8-inch thick)
2 c. sliced onions
4 medium sweet peppers, sliced
2 c. vinegar
3 c. sugar
2 tsp. celery seed
2 tsp. mustard seed

Preparation

Cover squash, peppers and onions in salt water and let set 1 1/2 hours.
Do not rinse.
Bring to boil vinegar, sugar, mustard and celery seed.
Add squash, onion and pepper mixture and bring to a second boil.
Boil hard for 1 minute.
Put mixture into jars and seal.