Ingredients:

– 2 pounds pickling cucumbers, sliced into 1/4-inch rounds
– 1 large onion, thinly sliced
– 1/4 cup pickling salt
– 2 cups apple cider vinegar
– 1 cup white vinegar
– 2 cups granulated sugar
– 2 tablespoons mustard seeds
– 1 tablespoon celery seeds
– 1 teaspoon ground turmeric
– 1/2 teaspoon ground cloves
– 1/2 teaspoon red pepper flakes (optional)