"The calzone is like a little surprise for grownups. Did we mention that the surprise is delicious?"
Roll out the puff pastry and arrange slices of ham on it. Add sliced tomatoes, olives and feta cheese on top.
Cover with the other puff pastry sheet. Roll it up. Spread with margarine or oil. Bake in preheated oven at 428°F (220 °C) for about 15-20 minutes.