Roasted Corn Relish

Ingredients

• 4 corn cobs, kernels removed
• 2 onions, diced
• 1 red capsicum, seeded and diced
• 1 green capsicum, seeded and diced
• 2 garlic cloves, crushed
• 1 long red chili, finely chopped
• 1/4 cup olive oil
• 2 cups cider vinegar
• 1 cup white wine vinegar
• 1 1/2 cups sugar
• 2 teaspoons yellow mustard seeds
• 1 teaspoon turmeric
• 2 tablespoons cornflour
• 1/4 cup water