To prepare on gas grill, preheat grill according to manufacturer's directions for medium heat. Grill steaks, covered, 7 to 10 minutes for medium-rare to medium doneness, turning occasionally. Cooking times for jalapeno peppers remain the same. 2 beef shoulder petite tender roasts (8 to 12 ounces each) may be substituted for top loin (strip) steaks. Grill shoulder petite tender roasts, covered, over medium, ash-covered coals l4 to 18 minutes (over medium heat on preheated gas grill, covered, 14 to 19 minutes) for medium-rare to medium doneness, turning occasionally. For less heat, use the lower amounts of jalapeno peppers and ground black pepper. Cotija is a firm, white Mexican cheese with a salty flavor and texture similar to Parmesan. To shave firm cheeses, use a vegetable peeler to easily remove wide, thin strips.