1recipe for Never Fail Pie Pastry - http://www.gourmethousewife.com/2012/04/never-fail-pie-pastry/
4cupssliced mushrooms
1medium onionsliced
2garlic cloveschopped
handful each of fresh thymerosemary, and oregano, chopped
freshly ground salt and pepper to taste
1tspoyster sauce
olive oil
Instructions
Prepare pie crust according to instructions. On a floured board, roll out into a large circle, about 1/2 cm thick. Place on a baking sheet lined with parchment paper or greased.
Preheat oven to 425°F.
Place mushrooms, onions, garlic, and herbs in a large bowl. Season generously with salt and pepper. Add oyster sauce, and drizzle with olive oil. Toss to coat.
Place mushroom mixture in the center of your pie crust. Gently fold up the sides, leaving an opening about 4-6 inches wide.
Brush pastry with reserved egg white from pastry recipe.
Bake in preheated oven 25 to 30 minutes, or until pastry is browned and vegetables are cooked.