Preheat grill to medium-high heat. Rub skirt steak with 1 Tbsp oil. Season skirt steak with 1 Tbsp Grillville spice, salt and pepper. Cook steak about 3 minutes on each side for a medium rare doneness. Set aside to rest. While steak is resting, brush onion rings and pepper with 1 Tbsp oil and season with 1 Tbsp Grillville spice, salt and pepper. Cook about 2-3 minutes, charring on each side. Rough chop vegetables. Set aside. Place tortillas on grill about 15 seconds on each side. Cut steak into 1\/2 inch strips.\nAssembly: Place 2-3 strips of steak on tortilla and top with a bit of grilled onions. Sprinkle cilantro leaves and queso fresco cheese. Squeeze fresh lime juice on top.