Sweet Zucchini Relish

INGREDIENTS

• 12 cups shredded unpeeled zucchini
• 4 cups chopped onion
• 5 tablespoons canning salt
• 1 red bell pepper, chopped
• 1 green bell pepper, chopped
• 6 cups white sugar
• 2 1/2 cups white vinegar
• 1 tablespoon cornstarch
• 3/4 teaspoon ground nutmeg
• 3/4 teaspoon ground turmeric
• 1 1/2 teaspoons celery seed
• 1/2 teaspoon ground black pepper