Philly Cheesesteak Mac And Cheese

"I took all of the deliciousness of Philly cheesesteaks – thinly sliced steaks + sauteed peppers + onions + cheese – and I combined that with a good mac and cheese recipe. Like 5 kinds of cheese good! That’s right. This is a 5-cheese Philly Cheesesteak Mac and Cheese. Truthfully, you can probably combine some of the cheeses as long as you keep the overall amount the same, but the combination here is mighty tasty!"