Cook the fries

• Cook the skin-on fries according to the packet instructions until golden and crisp.

Fry the beef mince

• Fry the beef mince in a pan over medium-high heat, breaking it up as it browns.
• Season with salt, pepper, onion salt and garlic salt.
• Once cooked, take the pan off the heat and scatter the grated mozzarella on top so it melts.

Fry the white onion

• Add the sliced white onion to a pan and fry until golden.

Make the burger sauce

• Combine the mayonnaise, ketchup, mustard, thinly sliced gherkin and a splash of gherkin juice in a bowl.
• Mix until smooth.

Prepare the salad

• Shred the lettuce and dice the tomato.
• Thinly slice the red onion.

Assemble and serve

• Arrange the lettuce, tomato, red onion and fries in a bowl.
• Top with the cheesy beef mince and the fried white onion.
• Drizzle with the burger sauce and enjoy.