Preheat the oven at 350°. Line a baking sheet with parchment paper or a Silpat sheet.
Roll out the puff pastry until is doubled in size, and thin
Cut in half to have two sheets.
In a large bowl mix the chopped turkey, 1 egg, ricotta, and mozzarella, dash of nutmeg and salt and pepper to taste.
Divide the turkey and cheese mix in half and place on each puff pastry half, leaving 1 inch space on the three ends. Brush the edge of the pastry with the beaten egg. Bring the puff pastry over the mixture and seal the edges with a fork.
Brush all over the pastry with the beaten egg and place in the warm oven.
Cook for 30-40 minutes or until the top is nice golden.
Remove from oven and let rest for a couple of minutes and serve.