Easy Pickled Onions

  • 1 red onion; thinly sliced
  • 1/2 cup white vinegar
  • 1/2 cup water
  • 3 Tbsp. sugar
  • 1 tsp. whole mustard seeds
  • 1/2 tsp. black peppercorns

Bring vinegar, water, sugar, mustard seeds, and peppercorns to a boil in a small saucepot. Cook until sugar dissolves and then transfer to a bowl. Add onions and stir to cover. Allow onions to pickle in the refrigerator until needed!