Steak Kebabs with Quesadillas

Name: Steak Kebabs with Quesadillas
Ingredients: 2 cups fresh cilantro (leaves and tender stems); 3 scallions; 2 limes (1 juiced, 1 cut into 8 wedges); 1 tablespoon red wine vinegar; 1 teaspoon Worcestershire sauce; Kosher salt and freshly ground pepper; 1/4 cup extra-virgin olive oil, plus more for the grill; 1 1/4 pounds beef tri-tip steak; 2 burrito-size flour tortillas; 1 1/2 cups shredded pepper jack cheese (about 6 ounces); 16 small romaine lettuce leaves; 1 mango, peeled, pitted and sliced