pickled red onions recipe

Here’s a quick and easy recipe for pickled red onions: Ingredients: 1 large red onion, thinly sliced 1/2 cup apple cider vinegar 1 cup water 1 tablespoon sugar 1 1/2 teaspoons salt Optional: 1/2 teaspoon whole black peppercorns, 1/2 teaspoon mustard seeds, 1-2 cloves garlic (sliced), or a pinch of red pepper flakes for extra flavor