Potato, Bacon and Cheese Egg Casserole with Everything Bagel Spice

"Everything Potato and Egg Breakfast Casserole. simply because it is St. Patricks day tomorrow and the combo of potatoes + runny eggs + crispy bacon is simple and perfect. And yes, you do need the everything spice as well. It's good. Bonus? You can use leftover mashed potatoes and prepare this completely ahead of time too. You see? Perfect."