Onions, Red, Pickled

Ingredients

• 1 large red onion, thinly sliced
• 1 1/4 c. apple cider vinegar
• 1/2 c. water
• 3 tbsp. granulated sugar
• 1 tbsp. kosher salt
• Pinch of crushed red pepper flakes (optional)

Directions

Place onion a large jar with a tight-fitting lid.

1. In a medium saucepan over medium heat, bring vinegar, water, sugar, and salt to a boil. Stir until sugar and salt dissolve. Add in red pepper flakes, if using, then pour mixture over onions.
2. Let cool to room temperature, then place lid on and refrigerate until ready to use, at least 2 hours. Onions will keep in refrigerator for up to 1 month.