Mashed Potato Pie

Ingredients

4 cup mashed potato
1 egg, beaten
1/4 cup ricotta cheese
1/4 cup parmesan cheese, grated
2 tbsp olive oil
2 x 9 inch pie crust, (if frozen, thaw out)
egg, beaten, plus
1 tbsp water

Directions

1.Preheat oven to 350F.
2.Beat the mashed potatoes, egg, ricotta, parmesan and oil together until smooth.
3.Fill one pie shell with the potato mixture, and invert the other pie shell over top.
4.Press down the sides to seal the pastry, and slash some vent holes on top