Chopped Beef And Cheese Burger | Donna Hay

Ingredients

• 600g beef mince
• 1 onion, finely chopped
• sea salt and cracked black pepper
• 4 brioche buns, halved and toasted
• ½ cup (125ml) smoky peach barbecue sauce+ (see recipe link under method)
• 2½ cups (250g) grated mozzarella
• 2 cups (240g) grated red cheddar cheese
• ½ cup (100g) bread and butter pickles, drained
• ½ cup (150g) ultimate burger sauce+ (see recipe link under method)
• buttermilk onion rings, to serve (see recipe link under method)