Meat lovers burger

Method

• 1
  To make the beef patty, place the mince, onion, breadcrumbs, egg white, parsley, Worcestershire sauce and mustard in a bowl. Season with salt and pepper. Use your hands to mix until well combined.
• 2
  Shape the mince mixture into a 2cm-thick, 10cm-diameter patty. Place on a plate. Cover and place in the fridge for 30 minutes to chill.
• 3
  Place the onion and half the oil in a small saucepan over medium heat. Cook for 15 minutes or until light golden and tender.
• 4
  Meanwhile, heat remaining oil in small non-stick frying pan over medium-high heat. Add the beef patty and reduce heat to medium. Cook for 4 minutes each side or until just cooked through.
• 5
  Preheat grill on high. Place the bun, cut-side up, on a baking tray and cook under grill for 2 minutes or until toasted.
• 6
  Remove the bun from the tray. Place the beef patty on the tray and top with the cheddar. Cook under grill for 2-3 minutes or until the cheddar melts. Place the bun base on a serving plate. Top with tomato, beef patty, tomato sauce, lettuce, beetroot and onion. Top with the remaining bun. Serve immediately.