This cheesy beef burger is double the thickness and double the flavour.

Prep Time : 0:50 | Cook Time : 0:15 | Total Time : 1:05 | Serving : 4 person.

Ingredients

• 1 tablespoon olive oil

• 4 brown onions, sliced

• 1 tablespoon caster sugar

• 1 tablespoon balsamic vinegar

• 150g provolone cheese

• olive oil cooking spray

• 4 wholegrain bread rolls, halved

• 1/2 cup tomato chutney or relish

• 2 iceberg lettuce leaves, shredded

• oven-baked fries, to serve

Beef patties

• 1/3 cup milk

• 2 slices white bread, crusts removed

• 500g beef mince

• 1 tablespoon worcestershire sauce

• 1 tablespoon dijon mustard

• 2 teaspoons thyme leaves, chopped

• 1/4 cup flat-leaf parsley leaves, chopped

Method

• Step 1

  Combine oil and onions in a heatproof, microwave-safe bowl. Microwave, covered, on HIGH (100%) for 5 minutes or until tender. Stir in sugar and vinegar. Set aside.

• Step 2

  Make beef patties: Place milk, bread, beef, worcestershire sauce, mustard, thyme and parsley in a large bowl. Mix well. Divide mixture into 4.

• Step 3

  Cut eight 2cm cubes from cheese. Grate remaining cheese and set aside. Press 2 cheese cubes into centre of each beef portion. Shape portions into 2cm-thick patties and place on a plate. Cover and refrigerate for 20 minutes.

• Step 4

  Preheat barbecue plate and grill on medium-high heat. Spray patties with oil. Place onion mixture and patties on hot plate. Cook onions for 6 minutes and patties for 5 minutes each side or until golden. Grill bread rolls for 2 minutes or until toasted.

• Step 5

  Spread chutney over bread roll bases. Top with lettuce, patties, grated cheese and onions. Sandwich with bread tops. Secure with a toothpick. Serve with fries.