Cover and refrigerate until firm, at least 8 hours.
![ninja foodi mac and cheese with evaporated milk ninja foodi mac and cheese with evaporated milk](https://i.pinimg.com/originals/b9/90/42/b9904274edd761c63e37dc1521f20553.jpg)
Cook, whisking along bottom of pot, until boiling, about 7 minutes. Whisk in flour, and cook, stirring frequently, until mixture is pale golden and has a nutty aroma, about 4 minutes.
![ninja foodi mac and cheese with evaporated milk ninja foodi mac and cheese with evaporated milk](https://i.pinimg.com/originals/83/e0/d0/83e0d08e06f8586a2d61a71b2c325d1e.jpg)
Very gradually whisk in milk and bring to a simmer.
![ninja foodi mac and cheese with evaporated milk ninja foodi mac and cheese with evaporated milk](https://bitzngiggles.com/wp-content/uploads/2021/01/Ninja-Foodi-Hot-Chocolate-Pinterest-2-683x1024.jpg)
Crisp Bacon And Gouda Instantly Infuse The Classic Comfort-food Dish With Rich, Smoky Flavor.