Easy Pickled Beets

Bahan-bahan (12 porsi)

• ¾ cup apple cider vinegar
• ¾ cup water
• ¼ cup granulated white sugar
• 1 tablespoon whole peppercorns
• ½ tablespoon whole coriander seeds
• 1 cinnamon stick
• 1 medium sweet onion, (sliced into 1/4 inch slices)
• 6 medium whole roasted beets, (peeled)