Puff pastry goes well with everything. Therefore, a pie ham puff pastry and mozzarella can only be good.
It will get you out of trouble if you want to make one special snack And you have few ingredients. You can preheat the oven while you form the empanada and then you just have to wait for it to be baked.
A piece of advice: serve it hot That is when it is richest.
I leave you the link to other simple recipes with puff pastry: nutella and ricotta flutes y jam and puff pastry sweet.
More information - Nutella and ricotta flutes, Jam and puff pastry sweet.