Recipe: Mile-High Alpine Quiche

Recipe: Mile-High Alpine Quiche
Ingredients:
2 pounds mushrooms, thinly sliced
1/4 cup ice water
1/2 pound butter, cold, unsalted, cut up
* Pastry Shell
1 teaspoon Kosher salt
1/2 pound Swiss cheese, shredded
6 eggs, beaten
1/2 pound bacon, chopped
4 cups half and half
1 teaspoon dried thyme
2 cups flour
4 Green onions, chopped
Salt and Pepper