Grease the inside of slow cooker with cooking spray.
In a large pot, heat evaporated milk, soup, water, mustard, and cayenne pepper to a simmer.
Add cheese and stir until melted.
Pour in macaroni and stir to coat.
Transfer to slow cooker.
Cover the slow cooker and cook for 1 1/2 hours on high.
Stir in the Tabasco sauce, pork, and beans.
Cook for another 30 minutes until the pasta is tender.
Season with salt and pepper.
Makes enough for a crowd—good for potluck suppers or game day!