How to Make It
Preheat oven to 375°. Fit piecrust into a 9-inch pie plate; fold edges under, and crimp. Prick bottom and sides of crust with a fork; bake for 5 minutes or until lightly browned. Cool piecrust on a wire rack with preparing filling.
Whisk together beaten eggs, whipping cream, half-and-half, flour, salt, pepper, and nutmeg in a bowl.
Cook bacon in a large skillet over medium heat, stirring often, 7 to 8 minutes or until crispy; drain on paper towels. Sprinkle bacon and swiss cheese over bottom of pie shell. Add green onion, if desired. Carefully pour egg mixture over cheese.
Bake at 375° for 50 minutes or until lightly browned and set in middle. Cool before serving.