- In a deep mixing bowl, add ½ quart of water and enough ice to make an ice bath. Set aside.
- In a large pot, bring 1 quart water to boil, add onions, allow to boil 30 seconds then remove and strain onions and place immediately in ice bath.
- In a large non-reactive container, mix remaining ingredients well.
- Drain onions from ice bath, then add to pickling liquid, cover and refrigerate for a minimum of 3 hours.