Pickled Onions

For panini sandwiches

• Ready In: 10 mins
• Yields: 2 cups

Ingredients

• 2  red onions, cut into 1/8 inch slices
• 1  cup red wine vinegar
• 1  cup water

Directions

1. In a big bowl or big jar with a lid, submerge the onions in the vinegar and the water.
2. Let sit for at least 12 hours or, covered, up to 2 weeks.
3. Squeeze the excess liquid from the onions before using.