Squash Relish
["2 qt. sliced, young, tender yellow squash", "1 c. sliced onion", "1 Tbsp. canning salt", "1 1/3 c. sugar", "1/2 c. diced green peppers", "1/2 tsp. celery seed", "1 1/2 tsp. mustard seed", "1 c. vinegar"]
["Mix first 3 ingredients and let sit for 1 hour.", "Bring next 5 ingredients to a boil; mix well.", "Add squash and onion mixture; bring to a", "boil and can."]
["onion", "canning salt", "sugar", "green peppers", "celery", "vinegar"]