Ingredients 2 sheets (12x18-inches each) Reynolds Wrap® Heavy Duty Aluminum Foil 1 pound boneless beef sirloin steak, 1/2 inch thick 2 cups frozen yellow, green and red peppers with onions 1/2 (15 ounce) can black beans, rinsed and drained 1/2 cup liquid fajita marinade Tortillas 1/2 cup shredded Cheddar cheese for tacos Directions Preheat grill to medium-high or oven to 450 degrees F. Cut steak lengthwise in half and then crosswise into 1/8-inch thick strips. Combine steak strips, peppers with onions, black beans and fajita marinade. Center half of steak mixture on each sheet of Reynolds Wrap Heavy Duty Aluminum Foil. Bring up foil sides. Double fold top and ends to seal packet, leaving room for heat circulation inside. Repeat to make two packets. Bake 15 to 18 minutes on a cookie sheet in oven OR GRILL 9to 11minutes in covered grill. Serve with tortillas; sprinkle with cheese before serving.