Bistro-style burgers - Better Homes & Gardens Australia

Ingredients

• * 600g pork mince
• * 400g veal mince
• * 2 cloves garlic, peeled, minced
• * 2 eschalots, finely diced
• * 2 Tbsp tomato paste
• * 2 eggs
• * ½ cup fresh breadcrumbs
• * ½ bunch thyme, leaves finely chopped
• * 2 rashers rindless middle bacon, diced
• * 1 Tbsp green olive tapenade
• * Salt flakes and freshly ground black pepper, to season
• * Vegetable oil cooking spray
• * 4 thick slices Gruyère
• * 8 slices prosciutto
• * 4 ciabatta rolls, halved
• * 2 Tbsp Dijon mustard
• * 1 cup shredded red coral lettuce
• * 2 ripe tomatoes, sliced
• * 1 carrot, grated
• * 2 Tbsp aioli
• * 4 cornichons, halved
• * Bagel chips, to serve