Turkey n' Stuffing Pie

1 egg, beaten
1 cup chicken broth
1/3 cup butter, melted
5 cups herb-seasoned stuffing cubes

Filling
1 can mushroom stems and pieces, drained
1/2 cup chopped onion
1 tablespoon butter
1 tablespoon flour
3 cups cubed cooked turkey
1 cup frozen peas
1 tablespoon minced fresh parsley
1 teaspoon Worcestershire sauce
1/2 teaspoon dried thyme
1 jar turkey gravy
5 slices American cheese, cut into strips

In large bowl, combine egg, broth and butter. Add stuffing and mix well. Pat onto bottom and up sides of greased 9-inch pie plate; set aside.

In skillet, saut