Slow Cooker Ultra Creamy Mac and Cheese is the creamiest with lots of gooey cheese. This is a seriously rich mac and cheese.

 
No need to precook the pasta. It cooks right in the crockpot. Mac and cheese doesn’t take long at all to cook in a slow cooker. This recipe cooks on LOW for 70 minutes to 2 hours.
A combination of cream cheese, butter, heavy cream, and evaporated milk makes this an ultra creamy mac and cheese. Plus there’s two types of cheese for lots of cheese flavor.
The cheese gets mixed in at the end so there is no risk of the cheese curdling.
The evaporated milk is the key ingredient. It really makes for a rich and creamy mac and cheese. Plus I love that it is shelf stable. FYI- I find it tastes just as good in coffee as half-and-half.
Slow Cooker Ultra Creamy Mac and Cheese Recipe Tips:

Cooking times can vary greatly for slow cookers so use the cooking time as an estimate. Plus the type of pasta you use can affect the cooking time as well.
I love the size and texture of large elbow pasta. You could use cavatappi or penne instead.
This recipe can be doubled if your slow cooker is big enough. The cooking time may be a little longer, but not much.
Do not use pre-shredded cheese for this recipe. It contains an anti-clumping agent that can make the mac and cheese gritty. Instead, buy a block of cheese and shred it yourself.
Don’t confuse evaporated milk with condensed milk. They are not the same thing.
This recipe has a little spice from s...