Pickled Zucchini

Ingredients (7)

• 11 cups thinly sliced zucchini (about 3 pounds)
• 1 large onion, halved and thinly sliced
• 1/3 cup canning salt
• 4-1/2 cups white vinegar
• 3 cups sugar
• 1 tablespoon mustard seed
• 1-1/2 teaspoons ground turmeric