Combine marinade ingredients in small bowl. Place beef Steak and marinade in food-safe plastic bag; turn to coat. Close bag securely and marinate in refrigerator 6 hours or as long as overnight, turning occasionally.
Remove steak from marinade; discard marinade. Place steak on grid over medium, ash-covered coals. Grill, covered, 11 to 16 minutes (over medium heat on preheated gas grill, 16 to 21 minutes) for medium rare (145°F) to medium (160°F) doneness, turning occasionally.
Carve steak across the grain. Season with salt and pepper, as desired. Place equal amounts of beef on each tortilla, leaving 1-1/2-inch border on right and left sides. Top with Toppings, as desired. Fold right and left sides of tortilla over filling. Fold bottom edge up over filling and roll up tightly.
Nutrition information per serving: 405 Calories; 117 Calories from fat; 13g Total Fat (4 g Saturated Fat; 6 g Monounsaturated Fat;) 66 mg Cholesterol; 494 mg Sodium; 39 g Total Carbohydrate; 2.3 g Dietary Fiber; 30 g Protein; 3.9 mg Iron; 13.2 mg NE Niacin; 0.6 mg Vitamin B6; 1.4 mcg Vitamin B12; 4.7 mg Zinc; 42.9 mcg Selenium; 96.9 mg Choline.
This recipe is an excellent source of Protein, Iron, Niacin, Vitamin B6, Vitamin B12, Zinc, and Selenium; and a good source of Choline.