EatSavvy: Chick, Chick, Chicken

Winter sandwiches need warmth and bulk, and this pita offers both in spades. Traditional tzatziki gets a boost of nutrients with the addition of avocado, and the onion offers a touch of freshness and crunch to this family-friendly dinner. Serve with a simple salad or small bowl of soup to complete the meal, and pack up any leftovers for lunch the next day.