1. Heat the broiler
2. Place pita on baking sheet. Slit it completely around to form 2 circles. Set the top round aside. Place the turkey over the pita bottom; top with tomato sl ices, and sprinkle with the basil. Arrange diced cucumber over the basil, then the cheese.
3. Broil until the cheese melts, about 7 minutes.
4. Remove from heat and cover with the pita top. Cut into wedges and wrap for t he lunch box.