BARBECUED PORK BURGER WITH SPIRALED SWEET POTATO BUN

Ingredients

• 1 tbsp (15 ml) grapeseed oil, plus extra for greasing and frying
• 3 lbs (1.5 kg) sweet potato, peeled and ends cut flat
• 3 large eggs, whisked, divided
• 1 lb (500 g) ground pork
• 2 tbsp (30 ml) tomato-based barbecue sauce
• ¼ tsp (1 ml) ground cayenne pepper
• 1 tsp (5 ml) red wine vinegar
• 1 tsp + ½ tsp (5 ml + 2.5 ml) salt, divided
• ½ tsp (2.5 ml) pepper
• 1 tbsp (15 ml) finely chopped chives
• 1 large avocado, peeled and pitted
• 1 tbsp (15 ml) lime juice
• ¼ tsp (1 ml) ground cumin
• 1 tbsp (15 ml) chopped cilantro leaves
• 1 small tomato, seeded and finely diced
• 1½ cups (375 ml) baby arugula
• 1 small red onion, thinly sliced into rounds
• 12 slices pickled jalapeños (optional)