Preheat oven to 350˚. Mix together 4 whole eggs plus 2 egg whites with heavy cream. Set aside. Combine spinach, spring onions, bacon, tomatoes, and feta cheese, and spoon into bottom of pie shell. Pour egg mixture over top. Bake for 45 mins. or until toothpick stuck in center comes out clean.
Recipe courtesy of The Butcher Shoppe.