1 tablespoon brown sugar
1 tablespoon ground allspice
1 tablespoon dried thyme
1 tablespoon onion powder
1 ½ teaspoons garlic powder
1 teaspoon black pepper
1 teaspoon sea salt
1 teaspoon ground paprika
½ teaspoon hot chili powder
½ teaspoon ground ginger
¼ teaspoon ground nutmeg
¼ teaspoon ground bay leaves
2 thick-cut sirloin steaks, roughly 1.5 pounds
1 tablespoon cooking oil
1 ripe mango, cubed
1 cup finely cubed fresh pineapple
1 bell pepper, finely chopped
½ red onion, finely chopped
⅓ cup fresh cilantro, roughly chopped
1 red chili, finely chopped
Juice of 1 lime
12 soft or hard taco shells, to serve