1. Preheat oven to 400 degrees Fahrenheit (200 degrees Celsius).
2. Mix mayonnaise, mustard, garlic powder, and pepper and rub on one side of each chicken cutlet. Layer the pastrami slices on top, roll up the cutlets tightly, and place them in a baking dish.
3. Combine the glaze ingredients and brush it over the rolled cutlets. Bake for 25 minutes. Remove from oven and grill for about one to two minutes on each side.