Zucchini & Squash Pickles – Whitney Miller

Ingredients

• 2 medium zucchini, cut into 1/8-inch rounds
• 2 medium yellow squash, cut into 1/8- inch rounds
• 1 red onion, halved and cut into 1/8-inch thick slices
• 3 tablespoons fine sea salt
• 1 cup apple cider vinegar
• 1 cup rice vinegar
• 1 1/2 cups pure cane sugar
• 1/2 teaspoon ground mustard 2 teaspoons celery seeds
• 2 teaspoons mustard seeds