Mix dough ingredients together and roll out like pie dough.
Place half of dough in the bottom of a 15 by 11 inch rimmed cookie sheet.
Now mix filling ingredients together and spread on top of unbaked crust.
Dot with several tablespoons butter.
Place other half of rolled out dough on top of filling mixture or cut in strips and place on filling, lattice style.
Beat an egg and brush on top crust.
Bake at 350 for 30 minutes or until lightly golden brown.
Enjoy hot from the oven or chilled.