The ultimate BLT burgers with honey treacle-glazed bacon, griddled lettuce and smoky tomato mayo Rec

Ingredients

• 18 slices thick cut applewood smoked bacon, divided
• 2 1/2 tbsp honey
• 2 tsp treacle
• 2 tsp sherry vinegar
• Pinch ground cayenne
• 4 leaves radicchio
• 2 tbsp extra-virgin olive oil
• 1/2 tbsp sherry vinegar
• 1/2 tbsp Dijon mustard
• 1 large ripe tomato
• 1/2 tsp smoked paprika
• 1 clove garlic
• 180ml mayonnaise
• Salt
• freshly ground black pepper
• 900g minced steak
• 1/4 tsp finely chopped fresh tarragon leaves
• 2 tsp salt
• 1/8 tsp freshly ground black pepper
• Vegetable oil, for grill pan
• 175g Comte or Gruyere, grated
• 6 hamburger buns, split