Grilled Chicken Tacos with Tomatillos and Queso Fresco

Name: Grilled Chicken Tacos with Tomatillos and Queso Fresco
Ingredients: 1/4 cup fresh lime juice; 2 garlic cloves, sliced; 1 chipotle chile in adobo, coarsely chopped; Kosher salt; 2 large boneless, skinless chicken breasts, cut into 1-inch pieces (1 pound); Nonstick cooking spray; 4 (8-inch) flour tortillas; 1 pound tomatillos, removed from husk and rinsed; 1 tablespoon olive oil; 2 cups shredded romaine lettuce; 2 ounces queso fresco, crumbled, about 1/3 cup; Chopped onion, cilantro sprigs, and lime wedges for serving