Here you go...courtesy of Alton Brown:
1/2 pound elbow macaroni
4 tablespoons butter
2 eggs
6 ounces evaporated milk
1/2 teaspoon hot sauce
1 teaspoon kosher salt
Fresh black pepper
3/4 teaspoon dry mustard
10 ounces sharp cheddar, shredded
In a large pot of boiling, salted water...