Preheat the oven at 375º.
Place the pastry dough on a 9 inch round pie plate. Poke lightly the pastry and prebake for 8 minutes in the hot oven. Remove and set aside.
In a large bowl mix together the eggs, almond paste, heavy cream, brown sugar and vanilla extract.
Add the cut up peaches to the pastry shell, cover with the eggs mixture.
Bake at 350º for 45 minutes, or until the middle is solid firm.