In a large skillet ... until mushrooms are tender and browned, 10 minutes. Add the remaining two tablespoons of oil and the flour. Stir to combine and cook for one minute. Add chicken broth ...
Brush the pastry with egg. Lightly brush the reserved mushroom with extra oil and place on the pies to decorate. Bake for 12–15 minutes or until the chicken is cooked through and the pastry is golden.