Greek Grilled Chicken Pitas Recipe

Pour vinaigrette into a large resealable plastic bag. Add the chicken; seal bag and turn to coat. Refrigerate for at least 4 hours or overnight. In a small bowl, combine the sauce ingredients; chill until serving. Drain and discard marinade. If grilling the chicken, moisten a paper towel with cooking oil; using long-handled tongs, lightly coat the grill rack. Grill chicken, covered, over medium heat or broil 4 in. from the heat for 4-7 minutes on each side or until a thermometer reads 170 °. Cut chicken into strips. Fill each pita half with chicken, cucumber, tomatoes, onion and cheese; drizzle with sauce.