Cooking time

10 minutes

Yields

One big jar of 750 ml

Ingredients

• 4 big red onions
• 100 ml of apple cider vinegar 
• 2 tablespoons of granulated sugar
• 2 teaspoons sea salt
• 300 ml of water

Directions

Slice the red onions finely and put them in the jar. In a saucepan add the rest of the ingredients and heat and stir so that the salt and sugar dissolve. Let the liquid cool and then pour it over the onions in the jar. Let them sit for at least two hours and store them in the fridge for up to three weeks.

Enjoy!