Curried Chicken Salad on Whole-Wheat Pitas

Yield Makes 4 Ingredients 1 lemon, halved 2 garlic cloves, crushed 6 sprigs fresh cilantro, plus more for garnish, plus 1 tablespoon coarsely chopped fresh cilantro leaves 1 jalapeno, quartered 2 boneless, skinless chicken breast halves (about 1 pound total)