Marinated Red Onions

Method

• Slice the onion in rings or half-rings.
  
• Place in a bowl and pour the olive oil to completely cover the onions.
  
• Add the vinegar and the oregano, mix well and leave on the kitchen top for up to two days. You can use the onions after 12h of marinating.
  
• Use the remaining olive oil as a salad dressing.