Bernardin Home Canning: Because You Can: Pickled Onions

Ingredients

• 4- 1/2 lb (2 kg) small pickling or pearl onions
• 4 tbsp + 2 tsp (60 ml + 10 ml)) pickling salt
• 2 tsp (10 ml) black peppercorns
• 1 -1/2 tsp (7 ml) whole allspice
• 1 tsp (5 ml) mustard seed
• 4- 1/2 cups (1125 ml) malt or white vinegar
• 1 cup (250 ml) granulated sugar
• 5-10 small hot red peppers, optional
• 5-10 bay leaves