Serves 4 INGREDIENTS  1kg boneless rolled pork shoulder • sea salt flakes and freshly-milled black pepper • 2 Tbsp extra virgin olive oil • ½ cup smoky barbecue sauce • 2 Tbsp chipotle hot sauce • 2 tsp fennel seeds, crushed • 4 thick slices Gruyere cheese • 1 sourdough baguette, cut in 4 •…