Curried Sausages and Rice | Reader's Digest Australia

Ingredients

• 1 kg thick beef sausages, separated
• 2 tablespoons vinegar
• 1 1?2 tablespoons butter
• 1 large onion, halved then sliced
• 1 tablespoon mild curry powder
• 1 tablespoon sultanas (optional)
• 3?4 cup (185 ml) beef stock
• 1 small apple, peeled and finely chopped
• 2 teaspoons cornflour, mixed to a smooth paste with 1 tablespoon water