Step 1

Boil noodles in liberally salted water for 5 minutes then drain well. Do not cook noodles longer than 5 minutes.

Step 2

While noodles are cooking, combine evaporated milk, milk, sour cream, eggs, salt, mustard, white pepper and cayenne pepper in a large bowl and mix well.

Step 3

Add parboiled noodles, melted butter and 3/4 of the shredded cheese to the milk mixture and stir until thoroughly combined.

Step 4

Spray the inside of a medium-large crock pot (approximately 4-qt size) with cooking spray then pour macaroni mixture into crock pot. Top with remaining cheese.

Step 5

Cover and cook on low for 3 hours or until set in the center and golden brown around the edges.