Thinly slice ½ a red onion. (Feel free to double the batch)
Step 2
Place the onion along with the vinegar, water, salt, sugar and whole spices and any optional additions in a small pot on the stove and bring to a simmer. Simmer 1 minute, stirring.
Step 3
Remove from the stove and let cool.
Step 4
Place onions and liquid in a clean jar and store in the fridge.