1 1/2 pounds boneless lamb shoulder, cut into chunks (or 1 1/2 pounds good-quality ground beef)

1 medium (or 1/2 large) onion, peeled and cut into chunks

1 fresh chili, preferably jalapeño, seeded and minced

1 teaspoon ground coriander

1 teaspoon ground cumin

1/2 teaspoon turmeric

Salt and freshly ground black pepper to taste

1 ciabatta (2 if making 6 burgers) cut in half and then cut into 4 parts or 4-6 good-quality burger buns

Diced mango, green and red pepper, red onion and scallion; and shredded carrot and lettuce, to garnish.