If using Press in Pan pastry, preheat oven to 425F, make the pastry, bake for 10 minutes then set aside.
Crack eggs into a medium bowl. Add milk, salt, pepper and cayenne, whisk until all eggs are broken.
Sprinkle cheese, bacon and spinach into pie crust.
Reduce oven temperature to 325F. Bake for 45-50 minutes until knife inserted in center comes out clean. Let stand 10 minutes or more before serving.