Cook macaroni according pkg. directions and drain.
Spray a 4-quart slow cooker with cooking spray.
Add the macaroni, evaporated milk, milk, butter, salt, pepper, eggs and all but 1/2 cup of the grated cheese to the slow cooker. Stir to combine. Sprinkle the reserved 1/2 cup of cheese over the top of the mixture and then sprinkle with paprika.
Cover and cook on low heat for 3 hours.
Turn off the slow cooker, stir the mixture and serve hot.
Notes
This can be baked in a regular oven. Grease a 9-by-13-by-2-inch pan with butter, add the mixture and bake at 350 degrees F for 50 minutes.