Pickled Cauliflower

coriander seeds

mustard seeds

cumin seeds

cider vinegar

medium garlic cloves, peeled and lightly smashed

1/4-inch thick slices peeled fresh ginger

half small yellow sweet onion, peeled and thinly sliced

granulated white sugar

Kosher salt

black peppercorns

ground turmeric

red pepper flakes

small head cauliflower, cut into 1 1/2 to 2-inch florets

medium carrots, peeled and sliced into lengthwise 4-inch pieces

small red bell pepper, cored & seeded & cut into strips