Instructions

  1. Cook noodles, drain.
  2. Melt butter and saute the onions until tender, meanwhile cook mashed potatoes according to package.
  3. *Steps1 and 2 should be done around the same time.
  4. Place half of the cooked noodles in the bottom of a 13x9 casserole dish.
  5. Layer with 8 slices of cheese, all potatoes, the remaining noodles and top with remaining 8 slices of cheese.
  6. Poke holes through the top layer of cheese; pour butter and onion mixture over top, making sure it seeps through the holes.
  7. Serve.