Cheeseburgers with secret sauce Recipe | Beef + Lamb New Zealand

Ingredients

• 600g Quality Mark beef mince
• ½ onion
• 1 garlic clove
• 1 egg
• 1 toast slice wholemeal bread
• 2 Tbsp milk
• ⅓ cup chives
• ⅓ cup parsley
• ½ cup grated tasty cheddar cheese
• 2 Tbsp tomato paste
• 1 Tbsp olive oil
• ½ tsp Worcestershire sauce
• 8 slices cheddar cheese
• ¾ cup mayonnaise
• 1 shallot
• 3 gherkins
• 1 Tbsp tomato paste
• 1 ½ Tbsp Dijon mustard
• 4-5 white bread rolls
• 4-5 leaves lettuce
• 1 red onion