01 -
3 cups mixed bell peppers, thinly sliced
02 -
1 large yellow or white onion, thinly sliced
03 -
3/4 cup white vinegar
04 -
1/2 cup apple cider vinegar
05 -
1/2 cup granulated sugar
06 -
1 tablespoon whole mustard seeds
07 -
1 teaspoon celery seeds
08 -
1/2 teaspoon ground turmeric
09 -
1 teaspoon kosher salt
10 -
1/2 teaspoon black peppercorns, lightly crushed
11 -
1/2 teaspoon red pepper flakes (optional)