Brown Ground Beef and Onion. Drain off fat.
Stir in Tomatoe Sauce, drained mushrooms, Oregano, Salt, and Pepper and parsley.
Unroll 1 Package Crescent Rolls. Separate into Triangles. Place in a greased 9 inch pie plate pressing edges together to form a pie shell. Separate egg whites from yellow. Beat Yellow and Set Yellow egg aside. Beat Egg Whites with water, set aside.
Spoon meat mixture into Shell. Arrange Cheese ontop. Spread beaten whites over the top. Add Second package of Crescent rolls over the top to create a top crust. Brush Beaten Yellow Egg on top of the Pie shell.
Bake at 350 ~ 20 Minutes
then remove from oven, cover with foil and cook an additional 20 minutes.