Ingredients

• 1kg beef mince
• 2 garlic cloves, finely chopped
• 4 tsp Dijon mustard
• 1 tbsp Worcestershire sauce
• small handful chopped fresh parsley
• 1 large dill pickle gherkin, finely chopped
• 1 large egg yolk
• 200g good melting cheese, such as Cheddar or Gruyère, sliced
• 8 burger buns
• 4 tbsp mayonnaise
• salads of your choice (e.g. lettuce, tomato, red onion)