Al Pastor Burgers with Cilantro-Lime Greek Yogurt Sauce

Ingredients

• Greek Yogurt Sauce

  • ¾ cup (180 ml) 2% plain Greek yogurt
  • ¼ cup (10 g) cilantro, finely chopped
  • 1 lime, zest finely grated
  • Hot sauce (Tabasco-style), to taste

• Patties

  • 3 tbsp (45 ml) lime juice
  • 2 tbsp brown sugar
  • 2 tbsp (30 ml) ketchup
  • 1 tbsp (15 ml) vegetable oil
  • 1 tbsp ground chipotle chili pepper
  • 1 tsp dried oregano
  • ½ tsp ground cumin
  • ½ tsp garlic powder
  • 1 lb (450 g) lean ground pork
  • 4 oz (115 g) sliced bacon, chopped

• Burgers

  • 1 onion, cut into rounds ½ inch (1 cm) thick
  • 1 tbsp (15 ml) vegetable oil
  • 8 rounds ripe pineapple, peeled and cored, each about ¼ inch (5 mm) thick (about ½ pineapple)
  • 4 brioche hamburger buns, halved horizontally
  • 4 leaves curly-leaf lettuce, torn