Ingredients

1large red onion,peeled and very thinly sliced

¾cupapple cider vinegar

1tspfine sea salt

2tbspsweetener,as maple syrup, honey, sugar, etc.)

Preparation

In a small saucepan, stir together the vinegar, salt and desired amount of sweetener.  Cook over medium-high heat until the mixture reaches a simmer.

Place the thinly-sliced onions in a small bowl or pint-sized mason jar.  Pour the hot vinegar mixture over the onions.  Stir until combined.  (Or if using a mason jar, place the lid on top and give the jar a quick shake.)

Let the onions marinate for 30 minutes.

Serve immediately.  Or refrigerate in a sealed container for up to 2 weeks.