Pickled Red Onions

Directions

1. 1
   Combine the water, vinegar, sugar, salt, cayenne and herb in a one-quart stainless steel or glass bowl.
2. 2
   Place the sliced onions in a colander and run some very hot tap water over them for about 30 seconds.
3. 3
   Shake off excess water and immediately transfer to the bowl with the vinegar mixture.
4. 4
   Press the onions down a bit, although the liquid may not entirely cover them.
5. 5
   Cover with plastic wrap and store in refrigerator for two hours, until they turn bright pink violet.
6. 6
   They can be stored this way for two days; after that they become mushy.
7. 7
   Drain well before using.