Cut into thin slices: 2 lbs zucchini, 2 peeled onions
Cover with cold water and add 1/4 c pickling salt.
Let stand 2 hours, then drain.
Bring to a boil for 2 minutes: 3 c cider vinegar, 2 c sugar, 1 tsp celery seed, 2 tsps mustard seed, 1 tsp turmeric.
Add vegets, remove from heat, and let stand for 2 hours. Heat to boiling point and cook for five minutes. Pack in sterile jars. Seal and process.