Step 2

Peel the red onions. Slice the onions thinly (I use a Mandoline - if you don't have one you don't know what you're missing.

Step 4

2)Transfer onions to a medium-sized bowl.

Step 7

Pour the boiling water into the bowl over the sliced onions. Let the onions soak in the boiling water for at least 5 minutes.

Step 10

Drain the onions in a colander.

Step 13

Let the onions sit in the colander while you mix the marinade. Combine all the ingredients of the marinade in a medium-sized bowl, and stir well.

Step 16

Add the onions to the marinade mixture and let them sit for at least 10 minutes.

Step 19

Transfer the red onions with the marinade to jars with tight-fitting lids.

Step 22

Chill the pickled red onions in the refrigerator until very cold.