Poke holes on inside of pie crust with fork. Line inside of pie crust with foil and bake at 450° for 8 minutes. Remove foil and bake additional 5 minutes or until crust is set and dry. Remove and reduce oven to 350°. Sauté onions, peppers, and mushrooms in butter until softened. Combine vegetables with remaining ingredients and pour mixture into pie crust. Bake at 350°F for 40 minutes or until center is set. Let stand for 10 minutes before cutting. Top each slice with dollop of sour cream. Servings 12
* Use packaged frozen peppers and onions. My local Save-A Lot carries them regularly; it?s a mix of red, green and yellow peppers (also great for hot sausage sandwiches).
** Use ready-cooked bacon.