• 2 1/4 cups (540 ml) banana ketchup
• 1/2 cup (120 ml) fresh lemon juice
• 1/2 cup (120 ml) soy sauce
• 1/2 cup (120 ml) white sugarcane vinegar
• 1/2 cup (110 g) packed brown sugar
• 1/4 cup (35 g) minced garlic
• 3 pounds (1.4 kg) boneless, skinless chicken thighs, cut into 1-inch pieces
• Cooking spray or vegetable oil, for greasing