Preheat oven to 350° and butter a large, deep baking dish.
Bring a large pot of water to boil and then salt generously.
Cook macaroni just shy of package directions, al dente. Drain well and place in large bowl.
Add butter and salt to taste, stirring until butter is melted.
Add shredded cheeses and stir.
Pour pasta cheese into baking dish.
In a medium bowl, beat the eggs and milk until frothy.
Pour evenly over pasta.
Cover with aluminum foil and bake for 20-25 mins
Remove Aluminim Foil, top with breading, pork rinds or additional cheese if you choose
Bake for another 15-20 minutes until top is browned and melted.
Let rest for 10 minutes or so before serving. Enjoy!