1 lb skinless, boneless chicken breasts
6 whole wheat pitas
1 ¼ cup plain, nonfat Greek yogurt
1 Persian cucumber, very thinly sliced
6 cloves garlic, minced
1 tbsp olive oil
1 tbsp red wine vinegar
1 tsp white vinegar
1 tbsp dried oregano
1 teaspoon dried marjoram
1 tsp ground cumin
1 small red onion, thinly sliced
1 tomato, diced
1 cup romaine lettuce leaves
Juice of 1 lemon, plus 1 tbsp
Salt and pepper to taste