Yes, rinse the uncooked pasta simply to remove any dust and foreign particles from the manufacturing plant. The recipe says to use uncooked noodles, however, it also says to rinse the pasta? Yes, this recipe can be doubled provided you have a large enough slow cooker. Can I double this recipe and does it change the cooking time? PLEASE READ the notes in the printed recipe. There have been quite a few questions on this recipe, please check here before asking in the comments as it may already have been answered. Happy Thanksgiving and Merry Christmas! Frequently Asked Questions Please read through the FAQ below as well for best results. If you’ve never made this before, please do a dry run before the holiday! Everyone’s slow cooker acts differently, so it’s important to try this out first. Barring American cheese, using a melty cheese like Monterey Jack or White American will also produce creamy results. The next best thing is to use evaporated milk and American cheese, the kind you get from the deli counter. In order to get that ultra creamy texture in a crock pot, you either have to use condensed cheese soup or Velveeta cheese, neither of which appealed to me.