Preheat your grill to high.
Mix the chili powder, ground coffee, paprika, lime zest, sea salt, and black pepper in a bowl.
2 tbsp. chili powder, 1 tbsp. ground coffee, ½ tbsp. paprika, zest of 1 lime, Sea salt and freshly ground black pepper to taste
Rub the steaks with the coffee mixture and let rest for 20 minutes.
2 x 1 ½ lb. skirt steaks
In a large bowl, combine all the ingredients for the mango salsa, and chill.
3 mangoes, 1 bell pepper, ½ red onion, 1 jalapeño pepper, ¼ cup lime juice, ¼ cup packed cilantro leaves, Sea salt and freshly ground black pepper
Grill the steaks on the preheated grill for 5 to 6 minutes per side or until they reach your desired doneness.
Let the steaks rest for about 5 minutes, and slice.
Serve the sliced steak with the mango salsa.