I always double this recipe above to make an average casserole dish like 9x13 or 11×14 even. This recipe calls for 4 ounces of Velveeta and I use 8, I just double everything. Also, she's using 8 ounces of noodles, so I use 16oz for a regular sized batch. Then I used crushed Lay's potato chips on top for an amazing topper that can't be beat. You just have to try it! I but the less salt Lay's now, and that way if anyone is watching their salt, it's not extra salty. I always use cream of chicken, because I think it just comes out the best that way, but that's honestly personal preference on whichever you like best. This is especially good if you use Amish egg noodles, or something similar, otherwise any extra wide egg noodle is best. Cook aldente' because it still as to bake in the 2nd phase. I wouldn't recommend using macaroni, but if you don't have egg noodles a ziti noodle would work too. You need a substantial noodle to hold up to the casserole.
Hope these tips were helpful. Enjoy!!