Preheat the oven to 400F
Roll out the puff pastry sheet on a baking sheet. Using a fork, pinch the dough and pre-bake it for about 3 to 5 minutes.
Remove from the oven and spread the pesto. (You just want a thin coat.)
Top it with the zuchini slices. Season with the olive oil salt, pepper and oregano.
Add the parmesan cheese.
Bake for 16 to 18 minutes or until golden brown.
Broil for 2 minutes.
Serve immediately and Bon Profit!