Preheat oven to 325 degrees. Spray a 9 x 13 baking dish with non-stick cooking spray.
In a large pot of salted boiling water add pasta and cook until al dente per directions on back of package. Drain pasta.
In a large deep skillet melt butter. Whisk in flour for 1 minute until lightly brown.
Whisk in evaporated milk, heavy whipping cream, mustard and all seasonings. Taste to adjust any seasonings.
Slowly whisk in 2/3 of the shredded cheese. Stir in cooked drained pasta. Place 1/2 of the mac & cheese mixture in bottom of prepared baking dish evenly.
Sprinkle 1/2 of remaining cheese over mixture. Place rest of mac & cheese mixture on top of shredded cheese. Sprinkle remaining cheese on top.
Sprinkle top of mac & cheese casserole with paprika. Bake in preheated oven for 25 minutes until cheese has melted.
