Barbecued chicken in brioche buns | Sainsbury`s Magazine

Ingredients

• 8 skinless chicken breasts
• 210g smoked pancetta slices
• 1 romaine lettuce heart
• 8 brioche burger buns
• 2 garlic cloves, crushed
• zest and juice of 1 lemon
• 150ml buttermilk
• 1 tsp Dijon mustard
• 1 tsp smoked paprika
• 3 tbsp mayonnaise
• 6 tbsp grated Parmesan
• 1 tsp Worcestershire sauce
• 2 garlic cloves, peeled and chopped
• 1 x 50g tin anchovy fillets in oil, drained
• a handful of flat-leaf parsley leaves